20163219968

素因数分解:

$2^9\times {\mathrm{163}}^1\times {\mathrm{241603}}^1$

素因数の和:241784

約数の個数: 40

約数和(自身を含む): 40534386288

約数和(自身を除く): 20371166320

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 256, 326, 512, 652, 1304, 2608, 5216, 10432, 20864, 41728, 83456, 241603, 483206, 966412, 1932824, 3865648, 7731296, 15462592, 30925184, 39381289, 61850368, 78762578, 123700736, 157525156, 315050312, 630100624, 1260201248, 2520402496, 5040804992, 10081609984, 20163219968]

約数ペア:

[(1, 20163219968), (2, 10081609984), (4, 5040804992), (8, 2520402496), (16, 1260201248), (32, 630100624), (64, 315050312), (128, 157525156), (163, 123700736), (256, 78762578), (326, 61850368), (512, 39381289), (652, 30925184), (1304, 15462592), (2608, 7731296), (5216, 3865648), (10432, 1932824), (20864, 966412), (41728, 483206), (83456, 241603)]