20180936215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{137477}}^1$

素因数の和:137667

約数の個数: 32

約数和(自身を含む): 28151095104

約数和(自身を除く): 7970158889

約数列:

[1, 5, 11, 17, 55, 85, 157, 187, 785, 935, 1727, 2669, 8635, 13345, 29359, 137477, 146795, 687385, 1512247, 2337109, 7561235, 11685545, 21583889, 25708199, 107919445, 128540995, 237422779, 366926113, 1187113895, 1834630565, 4036187243, 20180936215]

約数ペア:

[(1, 20180936215), (5, 4036187243), (11, 1834630565), (17, 1187113895), (55, 366926113), (85, 237422779), (157, 128540995), (187, 107919445), (785, 25708199), (935, 21583889), (1727, 11685545), (2669, 7561235), (8635, 2337109), (13345, 1512247), (29359, 687385), (137477, 146795)]