20179933235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{81013}}^1$

素因数の和:81683

約数の個数: 32

約数和(自身を含む): 30238313472

約数和(自身を除く): 10058380237

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 647, 3235, 4529, 7117, 22645, 35585, 49819, 81013, 249095, 405065, 567091, 891143, 2835455, 4455715, 6238001, 31190005, 52415411, 262077055, 366907877, 576569521, 1834539385, 2882847605, 4035986647, 20179933235]

約数ペア:

[(1, 20179933235), (5, 4035986647), (7, 2882847605), (11, 1834539385), (35, 576569521), (55, 366907877), (77, 262077055), (385, 52415411), (647, 31190005), (3235, 6238001), (4529, 4455715), (7117, 2835455), (22645, 891143), (35585, 567091), (49819, 405065), (81013, 249095)]