20367392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 42688800

約数和(自身を除く): 22321408

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 139, 152, 241, 278, 304, 482, 556, 608, 964, 1112, 1928, 2224, 2641, 3856, 4448, 4579, 5282, 7712, 9158, 10564, 18316, 21128, 33499, 36632, 42256, 66998, 73264, 84512, 133996, 146528, 267992, 535984, 636481, 1071968, 1272962, 2545924, 5091848, 10183696, 20367392]

約数ペア:

[(1, 20367392), (2, 10183696), (4, 5091848), (8, 2545924), (16, 1272962), (19, 1071968), (32, 636481), (38, 535984), (76, 267992), (139, 146528), (152, 133996), (241, 84512), (278, 73264), (304, 66998), (482, 42256), (556, 36632), (608, 33499), (964, 21128), (1112, 18316), (1928, 10564), (2224, 9158), (2641, 7712), (3856, 5282), (4448, 4579)]