201542020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{141931}}^1$

素因数の和:142011

約数の個数: 24

約数和(自身を含む): 429202368

約数和(自身を除く): 227660348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 141931, 283862, 567724, 709655, 1419310, 2838620, 10077101, 20154202, 40308404, 50385505, 100771010, 201542020]

約数ペア:

[(1, 201542020), (2, 100771010), (4, 50385505), (5, 40308404), (10, 20154202), (20, 10077101), (71, 2838620), (142, 1419310), (284, 709655), (355, 567724), (710, 283862), (1420, 141931)]