20862610

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1487}}^1$

素因数の和:1578

約数の個数: 32

約数和(自身を含む): 39854592

約数和(自身を除く): 18991982

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 1487, 2806, 2974, 7015, 7435, 14030, 14870, 34201, 68402, 90707, 171005, 181414, 342010, 453535, 907070, 2086261, 4172522, 10431305, 20862610]

約数ペア:

[(1, 20862610), (2, 10431305), (5, 4172522), (10, 2086261), (23, 907070), (46, 453535), (61, 342010), (115, 181414), (122, 171005), (230, 90707), (305, 68402), (610, 34201), (1403, 14870), (1487, 14030), (2806, 7435), (2974, 7015)]