20201021586

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{659}}^1\times {\mathrm{21557}}^1$

素因数の和:22303

約数の個数: 48

約数和(自身を含む): 44392233600

約数和(自身を除く): 24191212014

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 659, 711, 1318, 1422, 1977, 3954, 5931, 11862, 21557, 43114, 52061, 64671, 104122, 129342, 156183, 194013, 312366, 388026, 468549, 937098, 1703003, 3406006, 5109009, 10218018, 14206063, 15327027, 28412126, 30654054, 42618189, 85236378, 127854567, 255709134, 1122278977, 2244557954, 3366836931, 6733673862, 10100510793, 20201021586]

約数ペア:

[(1, 20201021586), (2, 10100510793), (3, 6733673862), (6, 3366836931), (9, 2244557954), (18, 1122278977), (79, 255709134), (158, 127854567), (237, 85236378), (474, 42618189), (659, 30654054), (711, 28412126), (1318, 15327027), (1422, 14206063), (1977, 10218018), (3954, 5109009), (5931, 3406006), (11862, 1703003), (21557, 937098), (43114, 468549), (52061, 388026), (64671, 312366), (104122, 194013), (129342, 156183)]