20802283060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{101663}}^1$

素因数の和:102472

約数の個数: 48

約数和(自身を含む): 47105404416

約数和(自身を除く): 26303121356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 787, 1574, 3148, 3935, 7870, 10231, 15740, 20462, 40924, 51155, 101663, 102310, 203326, 204620, 406652, 508315, 1016630, 1321619, 2033260, 2643238, 5286476, 6608095, 13216190, 26432380, 80008781, 160017562, 320035124, 400043905, 800087810, 1040114153, 1600175620, 2080228306, 4160456612, 5200570765, 10401141530, 20802283060]

約数ペア:

[(1, 20802283060), (2, 10401141530), (4, 5200570765), (5, 4160456612), (10, 2080228306), (13, 1600175620), (20, 1040114153), (26, 800087810), (52, 400043905), (65, 320035124), (130, 160017562), (260, 80008781), (787, 26432380), (1574, 13216190), (3148, 6608095), (3935, 5286476), (7870, 2643238), (10231, 2033260), (15740, 1321619), (20462, 1016630), (40924, 508315), (51155, 406652), (101663, 204620), (102310, 203326)]