20122116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{569}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 53880960

約数和(自身を除く): 33758844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 421, 569, 842, 1138, 1263, 1684, 1707, 2276, 2526, 2947, 3414, 3983, 5052, 5894, 6828, 7966, 8841, 11788, 11949, 15932, 17682, 23898, 35364, 47796, 239549, 479098, 718647, 958196, 1437294, 1676843, 2874588, 3353686, 5030529, 6707372, 10061058, 20122116]

約数ペア:

[(1, 20122116), (2, 10061058), (3, 6707372), (4, 5030529), (6, 3353686), (7, 2874588), (12, 1676843), (14, 1437294), (21, 958196), (28, 718647), (42, 479098), (84, 239549), (421, 47796), (569, 35364), (842, 23898), (1138, 17682), (1263, 15932), (1684, 11949), (1707, 11788), (2276, 8841), (2526, 7966), (2947, 6828), (3414, 5894), (3983, 5052)]