20199663350

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{223}}^1\times {\mathrm{10009}}^1$

素因数の和:10425

約数の個数: 48

約数和(自身を含む): 37952154240

約数和(自身を除く): 17752490890

約数列:

[1, 2, 5, 10, 25, 50, 181, 223, 362, 446, 905, 1115, 1810, 2230, 4525, 5575, 9050, 10009, 11150, 20018, 40363, 50045, 80726, 100090, 201815, 250225, 403630, 500450, 1009075, 1811629, 2018150, 2232007, 3623258, 4464014, 9058145, 11160035, 18116290, 22320070, 45290725, 55800175, 90581450, 111600350, 403993267, 807986534, 2019966335, 4039932670, 10099831675, 20199663350]

約数ペア:

[(1, 20199663350), (2, 10099831675), (5, 4039932670), (10, 2019966335), (25, 807986534), (50, 403993267), (181, 111600350), (223, 90581450), (362, 55800175), (446, 45290725), (905, 22320070), (1115, 18116290), (1810, 11160035), (2230, 9058145), (4525, 4464014), (5575, 3623258), (9050, 2232007), (10009, 2018150), (11150, 1811629), (20018, 1009075), (40363, 500450), (50045, 403630), (80726, 250225), (100090, 201815)]