20591676

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1993}}^1$

素因数の和:2051

約数の個数: 72

約数和(自身を含む): 60968544

約数和(自身を除く): 40376868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 1993, 2583, 3444, 3986, 5166, 5979, 7972, 10332, 11958, 13951, 17937, 23916, 27902, 35874, 41853, 55804, 71748, 81713, 83706, 125559, 163426, 167412, 245139, 251118, 326852, 490278, 502236, 571991, 735417, 980556, 1143982, 1470834, 1715973, 2287964, 2941668, 3431946, 5147919, 6863892, 10295838, 20591676]

約数ペア:

[(1, 20591676), (2, 10295838), (3, 6863892), (4, 5147919), (6, 3431946), (7, 2941668), (9, 2287964), (12, 1715973), (14, 1470834), (18, 1143982), (21, 980556), (28, 735417), (36, 571991), (41, 502236), (42, 490278), (63, 326852), (82, 251118), (84, 245139), (123, 167412), (126, 163426), (164, 125559), (246, 83706), (252, 81713), (287, 71748), (369, 55804), (492, 41853), (574, 35874), (738, 27902), (861, 23916), (1148, 17937), (1476, 13951), (1722, 11958), (1993, 10332), (2583, 7972), (3444, 5979), (3986, 5166)]