20388406

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 35048160

約数和(自身を除く): 14659754

約数列:

[1, 2, 17, 19, 34, 37, 38, 74, 323, 629, 646, 703, 853, 1258, 1406, 1706, 11951, 14501, 16207, 23902, 29002, 31561, 32414, 63122, 275519, 536537, 551038, 599659, 1073074, 1199318, 10194203, 20388406]

約数ペア:

[(1, 20388406), (2, 10194203), (17, 1199318), (19, 1073074), (34, 599659), (37, 551038), (38, 536537), (74, 275519), (323, 63122), (629, 32414), (646, 31561), (703, 29002), (853, 23902), (1258, 16207), (1406, 14501), (1706, 11951)]