20716992660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{51977}}^1$

素因数の和:52082

約数の個数: 192

約数和(自身を含む): 72373335552

約数和(自身を除く): 51656342892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 73, 78, 84, 91, 105, 130, 140, 146, 156, 182, 195, 210, 219, 260, 273, 292, 364, 365, 390, 420, 438, 455, 511, 546, 730, 780, 876, 910, 949, 1022, 1092, 1095, 1365, 1460, 1533, 1820, 1898, 2044, 2190, 2555, 2730, 2847, 3066, 3796, 4380, 4745, 5110, 5460, 5694, 6132, 6643, 7665, 9490, 10220, 11388, 13286, 14235, 15330, 18980, 19929, 26572, 28470, 30660, 33215, 39858, 51977, 56940, 66430, 79716, 99645, 103954, 132860, 155931, 199290, 207908, 259885, 311862, 363839, 398580, 519770, 623724, 675701, 727678, 779655, 1039540, 1091517, 1351402, 1455356, 1559310, 1819195, 2027103, 2183034, 2702804, 3118620, 3378505, 3638390, 3794321, 4054206, 4366068, 4729907, 5457585, 6757010, 7276780, 7588642, 8108412, 9459814, 10135515, 10915170, 11382963, 13514020, 14189721, 15177284, 18919628, 18971605, 20271030, 21830340, 22765926, 23649535, 26560247, 28379442, 37943210, 40542060, 45531852, 47299070, 49326173, 53120494, 56758884, 56914815, 70948605, 75886420, 79680741, 94598140, 98652346, 106240988, 113829630, 132801235, 141897210, 147978519, 159361482, 197304692, 227659260, 246630865, 265602470, 283794420, 295957038, 318722964, 345283211, 398403705, 493261730, 531204940, 591914076, 690566422, 739892595, 796807410, 986523460, 1035849633, 1381132844, 1479785190, 1593614820, 1726416055, 2071699266, 2959570380, 3452832110, 4143398532, 5179248165, 6905664220, 10358496330, 20716992660]

約数ペア:

[(1, 20716992660), (2, 10358496330), (3, 6905664220), (4, 5179248165), (5, 4143398532), (6, 3452832110), (7, 2959570380), (10, 2071699266), (12, 1726416055), (13, 1593614820), (14, 1479785190), (15, 1381132844), (20, 1035849633), (21, 986523460), (26, 796807410), (28, 739892595), (30, 690566422), (35, 591914076), (39, 531204940), (42, 493261730), (52, 398403705), (60, 345283211), (65, 318722964), (70, 295957038), (73, 283794420), (78, 265602470), (84, 246630865), (91, 227659260), (105, 197304692), (130, 159361482), (140, 147978519), (146, 141897210), (156, 132801235), (182, 113829630), (195, 106240988), (210, 98652346), (219, 94598140), (260, 79680741), (273, 75886420), (292, 70948605), (364, 56914815), (365, 56758884), (390, 53120494), (420, 49326173), (438, 47299070), (455, 45531852), (511, 40542060), (546, 37943210), (730, 28379442), (780, 26560247), (876, 23649535), (910, 22765926), (949, 21830340), (1022, 20271030), (1092, 18971605), (1095, 18919628), (1365, 15177284), (1460, 14189721), (1533, 13514020), (1820, 11382963), (1898, 10915170), (2044, 10135515), (2190, 9459814), (2555, 8108412), (2730, 7588642), (2847, 7276780), (3066, 6757010), (3796, 5457585), (4380, 4729907), (4745, 4366068), (5110, 4054206), (5460, 3794321), (5694, 3638390), (6132, 3378505), (6643, 3118620), (7665, 2702804), (9490, 2183034), (10220, 2027103), (11388, 1819195), (13286, 1559310), (14235, 1455356), (15330, 1351402), (18980, 1091517), (19929, 1039540), (26572, 779655), (28470, 727678), (30660, 675701), (33215, 623724), (39858, 519770), (51977, 398580), (56940, 363839), (66430, 311862), (79716, 259885), (99645, 207908), (103954, 199290), (132860, 155931)]