20243365775

素因数分解:

$5^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 25711687680

約数和(自身を除く): 5468321905

約数列:

[1, 5, 25, 139, 151, 173, 223, 695, 755, 865, 1115, 3475, 3775, 4325, 5575, 20989, 24047, 26123, 30997, 33673, 38579, 104945, 120235, 130615, 154985, 168365, 192895, 524725, 601175, 653075, 774925, 841825, 964475, 3631097, 4680547, 5362481, 5825429, 18155485, 23402735, 26812405, 29127145, 90777425, 117013675, 134062025, 145635725, 809734631, 4048673155, 20243365775]

約数ペア:

[(1, 20243365775), (5, 4048673155), (25, 809734631), (139, 145635725), (151, 134062025), (173, 117013675), (223, 90777425), (695, 29127145), (755, 26812405), (865, 23402735), (1115, 18155485), (3475, 5825429), (3775, 5362481), (4325, 4680547), (5575, 3631097), (20989, 964475), (24047, 841825), (26123, 774925), (30997, 653075), (33673, 601175), (38579, 524725), (104945, 192895), (120235, 168365), (130615, 154985)]