20512281608

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:524

約数の個数: 192

約数和(自身を含む): 49124880000

約数和(自身を除く): 28612598392

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 113, 179, 182, 196, 199, 226, 358, 364, 392, 398, 452, 637, 716, 728, 791, 796, 904, 1253, 1274, 1393, 1432, 1469, 1582, 1592, 2327, 2506, 2548, 2587, 2786, 2938, 3164, 4654, 5012, 5096, 5174, 5537, 5572, 5876, 6328, 8771, 9308, 9751, 10024, 10283, 10348, 11074, 11144, 11752, 16289, 17542, 18109, 18616, 19502, 20227, 20566, 20696, 22148, 22487, 32578, 35084, 35621, 36218, 39004, 40454, 41132, 44296, 44974, 65156, 70168, 71242, 71981, 72436, 78008, 80908, 82264, 89948, 114023, 126763, 130312, 141589, 142484, 143962, 144872, 157409, 161816, 179896, 228046, 249347, 253526, 262951, 283178, 284968, 287924, 292331, 314818, 456092, 463073, 498694, 507052, 525902, 566356, 575848, 584662, 629636, 912184, 926146, 991123, 997388, 1014104, 1051804, 1101863, 1132712, 1169324, 1259272, 1745429, 1840657, 1852292, 1982246, 1994776, 2046317, 2103608, 2203726, 2338648, 3241511, 3490858, 3681314, 3704584, 3964492, 4025173, 4092634, 4407452, 6483022, 6981716, 7362628, 7928984, 8050346, 8185268, 8814904, 12884599, 12966044, 13963432, 14324219, 14725256, 16100692, 16370536, 22690577, 25769198, 25932088, 28176211, 28648438, 32201384, 45381154, 51538396, 52327249, 56352422, 57296876, 90762308, 103076792, 104654498, 112704844, 114593752, 181524616, 197233477, 209308996, 225409688, 366290743, 394466954, 418617992, 732581486, 788933908, 1465162972, 1577867816, 2564035201, 2930325944, 5128070402, 10256140804, 20512281608]

約数ペア:

[(1, 20512281608), (2, 10256140804), (4, 5128070402), (7, 2930325944), (8, 2564035201), (13, 1577867816), (14, 1465162972), (26, 788933908), (28, 732581486), (49, 418617992), (52, 394466954), (56, 366290743), (91, 225409688), (98, 209308996), (104, 197233477), (113, 181524616), (179, 114593752), (182, 112704844), (196, 104654498), (199, 103076792), (226, 90762308), (358, 57296876), (364, 56352422), (392, 52327249), (398, 51538396), (452, 45381154), (637, 32201384), (716, 28648438), (728, 28176211), (791, 25932088), (796, 25769198), (904, 22690577), (1253, 16370536), (1274, 16100692), (1393, 14725256), (1432, 14324219), (1469, 13963432), (1582, 12966044), (1592, 12884599), (2327, 8814904), (2506, 8185268), (2548, 8050346), (2587, 7928984), (2786, 7362628), (2938, 6981716), (3164, 6483022), (4654, 4407452), (5012, 4092634), (5096, 4025173), (5174, 3964492), (5537, 3704584), (5572, 3681314), (5876, 3490858), (6328, 3241511), (8771, 2338648), (9308, 2203726), (9751, 2103608), (10024, 2046317), (10283, 1994776), (10348, 1982246), (11074, 1852292), (11144, 1840657), (11752, 1745429), (16289, 1259272), (17542, 1169324), (18109, 1132712), (18616, 1101863), (19502, 1051804), (20227, 1014104), (20566, 997388), (20696, 991123), (22148, 926146), (22487, 912184), (32578, 629636), (35084, 584662), (35621, 575848), (36218, 566356), (39004, 525902), (40454, 507052), (41132, 498694), (44296, 463073), (44974, 456092), (65156, 314818), (70168, 292331), (71242, 287924), (71981, 284968), (72436, 283178), (78008, 262951), (80908, 253526), (82264, 249347), (89948, 228046), (114023, 179896), (126763, 161816), (130312, 157409), (141589, 144872), (142484, 143962)]