20480459922

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1\times {\mathrm{1487}}^1$

素因数の和:2408

約数の個数: 96

約数和(自身を含む): 48551892480

約数和(自身を除く): 28071432558

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 829, 923, 1278, 1487, 1658, 1846, 2487, 2769, 2974, 4461, 4974, 5538, 7461, 8307, 8922, 10777, 13383, 14922, 16614, 19331, 21554, 26766, 32331, 38662, 57993, 58859, 64662, 96993, 105577, 115986, 117718, 173979, 176577, 193986, 211154, 316731, 347958, 353154, 529731, 633462, 765167, 950193, 1059462, 1232723, 1372501, 1530334, 1900386, 2295501, 2465446, 2745002, 3698169, 4117503, 4591002, 6886503, 7396338, 8235006, 11094507, 12352509, 13773006, 16025399, 22189014, 24705018, 32050798, 48076197, 87523333, 96152394, 144228591, 175046666, 262569999, 288457182, 525139998, 787709997, 1137803329, 1575419994, 2275606658, 3413409987, 6826819974, 10240229961, 20480459922]

約数ペア:

[(1, 20480459922), (2, 10240229961), (3, 6826819974), (6, 3413409987), (9, 2275606658), (13, 1575419994), (18, 1137803329), (26, 787709997), (39, 525139998), (71, 288457182), (78, 262569999), (117, 175046666), (142, 144228591), (213, 96152394), (234, 87523333), (426, 48076197), (639, 32050798), (829, 24705018), (923, 22189014), (1278, 16025399), (1487, 13773006), (1658, 12352509), (1846, 11094507), (2487, 8235006), (2769, 7396338), (2974, 6886503), (4461, 4591002), (4974, 4117503), (5538, 3698169), (7461, 2745002), (8307, 2465446), (8922, 2295501), (10777, 1900386), (13383, 1530334), (14922, 1372501), (16614, 1232723), (19331, 1059462), (21554, 950193), (26766, 765167), (32331, 633462), (38662, 529731), (57993, 353154), (58859, 347958), (64662, 316731), (96993, 211154), (105577, 193986), (115986, 176577), (117718, 173979)]