20165461048

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{261563}}^1$

素因数の和:262011

約数の個数: 32

約数和(自身を含む): 39548476800

約数和(自身を除く): 19383015752

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 419, 838, 1676, 3352, 9637, 19274, 38548, 77096, 261563, 523126, 1046252, 2092504, 6015949, 12031898, 24063796, 48127592, 109594897, 219189794, 438379588, 876759176, 2520682631, 5041365262, 10082730524, 20165461048]

約数ペア:

[(1, 20165461048), (2, 10082730524), (4, 5041365262), (8, 2520682631), (23, 876759176), (46, 438379588), (92, 219189794), (184, 109594897), (419, 48127592), (838, 24063796), (1676, 12031898), (3352, 6015949), (9637, 2092504), (19274, 1046252), (38548, 523126), (77096, 261563)]