20201478520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3976669}}^1$

素因数の和:3976807

約数の個数: 32

約数和(自身を含む): 45811238400

約数和(自身を除く): 25609759880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 3976669, 7953338, 15906676, 19883345, 31813352, 39766690, 79533380, 159066760, 505036963, 1010073926, 2020147852, 2525184815, 4040295704, 5050369630, 10100739260, 20201478520]

約数ペア:

[(1, 20201478520), (2, 10100739260), (4, 5050369630), (5, 4040295704), (8, 2525184815), (10, 2020147852), (20, 1010073926), (40, 505036963), (127, 159066760), (254, 79533380), (508, 39766690), (635, 31813352), (1016, 19883345), (1270, 15906676), (2540, 7953338), (5080, 3976669)]