20552590079

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{29917}}^1$

素因数の和:30215

約数の個数: 32

約数和(自身を含む): 26055945216

約数和(自身を除く): 5503355137

約数列:

[1, 7, 17, 23, 119, 161, 251, 391, 1757, 2737, 4267, 5773, 29869, 29917, 40411, 98141, 209419, 508589, 686987, 688091, 3560123, 4816637, 7509167, 11697547, 52564169, 81882829, 127655839, 172710841, 893590873, 1208975887, 2936084297, 20552590079]

約数ペア:

[(1, 20552590079), (7, 2936084297), (17, 1208975887), (23, 893590873), (119, 172710841), (161, 127655839), (251, 81882829), (391, 52564169), (1757, 11697547), (2737, 7509167), (4267, 4816637), (5773, 3560123), (29869, 688091), (29917, 686987), (40411, 508589), (98141, 209419)]