20511660260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1723}}^1$

素因数の和:1994

約数の個数: 192

約数和(自身を含む): 55016177664

約数和(自身を除く): 34504517404

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 211, 217, 260, 310, 364, 403, 422, 434, 455, 620, 806, 844, 868, 910, 1055, 1085, 1477, 1612, 1723, 1820, 2015, 2110, 2170, 2743, 2821, 2954, 3446, 4030, 4220, 4340, 5486, 5642, 5908, 6541, 6892, 7385, 8060, 8615, 10972, 11284, 12061, 13082, 13715, 14105, 14770, 17230, 19201, 22399, 24122, 26164, 27430, 28210, 29540, 32705, 34460, 38402, 44798, 45787, 48244, 53413, 54860, 56420, 60305, 65410, 76804, 85033, 89596, 91574, 96005, 106826, 111995, 120610, 130820, 156793, 170066, 183148, 192010, 213652, 223990, 228935, 241220, 267065, 313586, 340132, 363553, 373891, 384020, 425165, 447980, 457870, 534130, 595231, 627172, 694369, 727106, 747782, 783965, 850330, 915740, 1068260, 1190462, 1388738, 1454212, 1495564, 1567930, 1700660, 1817765, 1869455, 2380924, 2544871, 2777476, 2976155, 3135860, 3471845, 3635530, 3738910, 4726189, 4860583, 5089742, 5952310, 6943690, 7271060, 7477820, 9452378, 9721166, 10179484, 11270143, 11904620, 12724355, 13887380, 18904756, 19442332, 22540286, 23630945, 24302915, 25448710, 33083323, 45080572, 47261890, 48605830, 50897420, 56350715, 66166646, 78891001, 94523780, 97211660, 112701430, 132333292, 146511859, 157782002, 165416615, 225402860, 293023718, 315564004, 330833230, 394455005, 586047436, 661666460, 732559295, 788910010, 1025583013, 1465118590, 1577820020, 2051166026, 2930237180, 4102332052, 5127915065, 10255830130, 20511660260]

約数ペア:

[(1, 20511660260), (2, 10255830130), (4, 5127915065), (5, 4102332052), (7, 2930237180), (10, 2051166026), (13, 1577820020), (14, 1465118590), (20, 1025583013), (26, 788910010), (28, 732559295), (31, 661666460), (35, 586047436), (52, 394455005), (62, 330833230), (65, 315564004), (70, 293023718), (91, 225402860), (124, 165416615), (130, 157782002), (140, 146511859), (155, 132333292), (182, 112701430), (211, 97211660), (217, 94523780), (260, 78891001), (310, 66166646), (364, 56350715), (403, 50897420), (422, 48605830), (434, 47261890), (455, 45080572), (620, 33083323), (806, 25448710), (844, 24302915), (868, 23630945), (910, 22540286), (1055, 19442332), (1085, 18904756), (1477, 13887380), (1612, 12724355), (1723, 11904620), (1820, 11270143), (2015, 10179484), (2110, 9721166), (2170, 9452378), (2743, 7477820), (2821, 7271060), (2954, 6943690), (3446, 5952310), (4030, 5089742), (4220, 4860583), (4340, 4726189), (5486, 3738910), (5642, 3635530), (5908, 3471845), (6541, 3135860), (6892, 2976155), (7385, 2777476), (8060, 2544871), (8615, 2380924), (10972, 1869455), (11284, 1817765), (12061, 1700660), (13082, 1567930), (13715, 1495564), (14105, 1454212), (14770, 1388738), (17230, 1190462), (19201, 1068260), (22399, 915740), (24122, 850330), (26164, 783965), (27430, 747782), (28210, 727106), (29540, 694369), (32705, 627172), (34460, 595231), (38402, 534130), (44798, 457870), (45787, 447980), (48244, 425165), (53413, 384020), (54860, 373891), (56420, 363553), (60305, 340132), (65410, 313586), (76804, 267065), (85033, 241220), (89596, 228935), (91574, 223990), (96005, 213652), (106826, 192010), (111995, 183148), (120610, 170066), (130820, 156793)]