20927839928

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{419}}^1\times {\mathrm{38303}}^1$

素因数の和:38891

約数の個数: 32

約数和(自身を含む): 39575692800

約数和(自身を除く): 18647852872

約数列:

[1, 2, 4, 8, 163, 326, 419, 652, 838, 1304, 1676, 3352, 38303, 68297, 76606, 136594, 153212, 273188, 306424, 546376, 6243389, 12486778, 16048957, 24973556, 32097914, 49947112, 64195828, 128391656, 2615979991, 5231959982, 10463919964, 20927839928]

約数ペア:

[(1, 20927839928), (2, 10463919964), (4, 5231959982), (8, 2615979991), (163, 128391656), (326, 64195828), (419, 49947112), (652, 32097914), (838, 24973556), (1304, 16048957), (1676, 12486778), (3352, 6243389), (38303, 546376), (68297, 306424), (76606, 273188), (136594, 153212)]