20165579776

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1036471}}^1$

素因数の和:1036510

約数の個数: 44

約数和(自身を含む): 42433163680

約数和(自身を除く): 22267583904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2432, 4864, 9728, 19456, 1036471, 2072942, 4145884, 8291768, 16583536, 19692949, 33167072, 39385898, 66334144, 78771796, 132668288, 157543592, 265336576, 315087184, 530673152, 630174368, 1061346304, 1260348736, 2520697472, 5041394944, 10082789888, 20165579776]

約数ペア:

[(1, 20165579776), (2, 10082789888), (4, 5041394944), (8, 2520697472), (16, 1260348736), (19, 1061346304), (32, 630174368), (38, 530673152), (64, 315087184), (76, 265336576), (128, 157543592), (152, 132668288), (256, 78771796), (304, 66334144), (512, 39385898), (608, 33167072), (1024, 19692949), (1216, 16583536), (2432, 8291768), (4864, 4145884), (9728, 2072942), (19456, 1036471)]