20163690183

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{331}}^1\times {\mathrm{983}}^1$

素因数の和:1564

約数の個数: 64

約数和(自身を含む): 33369219072

約数和(自身を除く): 13205528889

約数列:

[1, 3, 7, 13, 21, 39, 91, 227, 273, 331, 681, 983, 993, 1589, 2317, 2949, 2951, 4303, 4767, 6881, 6951, 8853, 12779, 12909, 20643, 20657, 30121, 38337, 61971, 75137, 89453, 90363, 223141, 225411, 268359, 325373, 525959, 669423, 976119, 976781, 1561987, 1577877, 2277611, 2900833, 2930343, 4229849, 4685961, 6832833, 6837467, 8702499, 12689547, 20305831, 20512401, 29608943, 60917493, 73859671, 88826829, 221579013, 517017697, 960175723, 1551053091, 2880527169, 6721230061, 20163690183]

約数ペア:

[(1, 20163690183), (3, 6721230061), (7, 2880527169), (13, 1551053091), (21, 960175723), (39, 517017697), (91, 221579013), (227, 88826829), (273, 73859671), (331, 60917493), (681, 29608943), (983, 20512401), (993, 20305831), (1589, 12689547), (2317, 8702499), (2949, 6837467), (2951, 6832833), (4303, 4685961), (4767, 4229849), (6881, 2930343), (6951, 2900833), (8853, 2277611), (12779, 1577877), (12909, 1561987), (20643, 976781), (20657, 976119), (30121, 669423), (38337, 525959), (61971, 325373), (75137, 268359), (89453, 225411), (90363, 223141)]