20175880025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1\times {\mathrm{3847}}^1$

素因数の和:5190

約数の個数: 48

約数和(自身を含む): 29865897984

約数和(自身を除く): 9690017959

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 1303, 3847, 4025, 6515, 9121, 19235, 26929, 29969, 32575, 45605, 88481, 96175, 134645, 149845, 209783, 228025, 442405, 619367, 673225, 749225, 1048915, 2212025, 3096835, 5012641, 5244575, 15484175, 25063205, 35088487, 115290743, 125316025, 175442435, 576453715, 807035201, 877212175, 2882268575, 4035176005, 20175880025]

約数ペア:

[(1, 20175880025), (5, 4035176005), (7, 2882268575), (23, 877212175), (25, 807035201), (35, 576453715), (115, 175442435), (161, 125316025), (175, 115290743), (575, 35088487), (805, 25063205), (1303, 15484175), (3847, 5244575), (4025, 5012641), (6515, 3096835), (9121, 2212025), (19235, 1048915), (26929, 749225), (29969, 673225), (32575, 619367), (45605, 442405), (88481, 228025), (96175, 209783), (134645, 149845)]