20155731687

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{6547}}^1$

素因数の和:6762

約数の個数: 96

約数和(自身を含む): 37622188800

約数和(自身を除く): 17466457113

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 179, 189, 273, 351, 441, 537, 637, 819, 1253, 1323, 1611, 1911, 2327, 2457, 3759, 4833, 5733, 6547, 6981, 8771, 11277, 16289, 17199, 19641, 20943, 26313, 33831, 45829, 48867, 58923, 62829, 78939, 85111, 114023, 137487, 146601, 176769, 236817, 255333, 320803, 342069, 412461, 439803, 595777, 765999, 962409, 1026207, 1171913, 1237383, 1787331, 2297997, 2887227, 3078621, 3515739, 4170439, 5361993, 8203391, 8661681, 10547217, 12511317, 15234869, 16085979, 24610173, 31641651, 37533951, 45704607, 57423737, 73830519, 106644083, 112601853, 137113821, 172271211, 221491557, 319932249, 411341463, 516813633, 746508581, 959796747, 1550440899, 2239525743, 2879390241, 6718577229, 20155731687]

約数ペア:

[(1, 20155731687), (3, 6718577229), (7, 2879390241), (9, 2239525743), (13, 1550440899), (21, 959796747), (27, 746508581), (39, 516813633), (49, 411341463), (63, 319932249), (91, 221491557), (117, 172271211), (147, 137113821), (179, 112601853), (189, 106644083), (273, 73830519), (351, 57423737), (441, 45704607), (537, 37533951), (637, 31641651), (819, 24610173), (1253, 16085979), (1323, 15234869), (1611, 12511317), (1911, 10547217), (2327, 8661681), (2457, 8203391), (3759, 5361993), (4833, 4170439), (5733, 3515739), (6547, 3078621), (6981, 2887227), (8771, 2297997), (11277, 1787331), (16289, 1237383), (17199, 1171913), (19641, 1026207), (20943, 962409), (26313, 765999), (33831, 595777), (45829, 439803), (48867, 412461), (58923, 342069), (62829, 320803), (78939, 255333), (85111, 236817), (114023, 176769), (137487, 146601)]