20161480745

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3671}}^1\times {\mathrm{4241}}^1$

素因数の和:7961

約数の個数: 32

約数和(自身を含む): 28411762176

約数和(自身を除く): 8250281431

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 3671, 4241, 18355, 21205, 25697, 29687, 128485, 135827, 148435, 156917, 679135, 784585, 950789, 1098419, 4753945, 5492095, 15568711, 77843555, 108980977, 544904885, 576042307, 2880211535, 4032296149, 20161480745]

約数ペア:

[(1, 20161480745), (5, 4032296149), (7, 2880211535), (35, 576042307), (37, 544904885), (185, 108980977), (259, 77843555), (1295, 15568711), (3671, 5492095), (4241, 4753945), (18355, 1098419), (21205, 950789), (25697, 784585), (29687, 679135), (128485, 156917), (135827, 148435)]