20512007201

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{7499}}^1$

素因数の和:7781

約数の個数: 32

約数和(自身を含む): 24624000000

約数和(自身を除く): 4111992799

約数列:

[1, 7, 37, 59, 179, 259, 413, 1253, 2183, 6623, 7499, 10561, 15281, 46361, 52493, 73927, 277463, 390757, 442441, 1342321, 1942241, 2735299, 3097087, 9396247, 16370317, 49665877, 79196939, 114592219, 347661139, 554378573, 2930286743, 20512007201]

約数ペア:

[(1, 20512007201), (7, 2930286743), (37, 554378573), (59, 347661139), (179, 114592219), (259, 79196939), (413, 49665877), (1253, 16370317), (2183, 9396247), (6623, 3097087), (7499, 2735299), (10561, 1942241), (15281, 1342321), (46361, 442441), (52493, 390757), (73927, 277463)]