20079783968

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{25657}}^1$

素因数の和:26365

約数の個数: 48

約数和(自身を含む): 40663516824

約数和(自身を除く): 20583732856

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 592, 661, 1184, 1322, 2644, 5288, 10576, 21152, 24457, 25657, 48914, 51314, 97828, 102628, 195656, 205256, 391312, 410512, 782624, 821024, 949309, 1898618, 3797236, 7594472, 15188944, 16959277, 30377888, 33918554, 67837108, 135674216, 271348432, 542696864, 627493249, 1254986498, 2509972996, 5019945992, 10039891984, 20079783968]

約数ペア:

[(1, 20079783968), (2, 10039891984), (4, 5019945992), (8, 2509972996), (16, 1254986498), (32, 627493249), (37, 542696864), (74, 271348432), (148, 135674216), (296, 67837108), (592, 33918554), (661, 30377888), (1184, 16959277), (1322, 15188944), (2644, 7594472), (5288, 3797236), (10576, 1898618), (21152, 949309), (24457, 821024), (25657, 782624), (48914, 410512), (51314, 391312), (97828, 205256), (102628, 195656)]