20177657367

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 31935759360

約数和(自身を除く): 11758101993

約数列:

[1, 3, 7, 21, 37, 111, 163, 259, 313, 489, 509, 777, 939, 1141, 1527, 2191, 3423, 3563, 6031, 6573, 10689, 11581, 18093, 18833, 34743, 42217, 51019, 56499, 81067, 82967, 126651, 131831, 153057, 159317, 243201, 248901, 357133, 395493, 477951, 580769, 1071399, 1115219, 1742307, 1887703, 3069779, 3345657, 5663109, 5894729, 9209337, 13213921, 17684187, 21488453, 25968671, 39641763, 41263103, 64465359, 77906013, 123789309, 181780697, 545342091, 960840827, 2882522481, 6725885789, 20177657367]

約数ペア:

[(1, 20177657367), (3, 6725885789), (7, 2882522481), (21, 960840827), (37, 545342091), (111, 181780697), (163, 123789309), (259, 77906013), (313, 64465359), (489, 41263103), (509, 39641763), (777, 25968671), (939, 21488453), (1141, 17684187), (1527, 13213921), (2191, 9209337), (3423, 5894729), (3563, 5663109), (6031, 3345657), (6573, 3069779), (10689, 1887703), (11581, 1742307), (18093, 1115219), (18833, 1071399), (34743, 580769), (42217, 477951), (51019, 395493), (56499, 357133), (81067, 248901), (82967, 243201), (126651, 159317), (131831, 153057)]