20424033

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1597}}^1$

素因数の和:1646

約数の個数: 36

約数和(自身を含む): 35523540

約数和(自身を除く): 15099507

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1597, 1827, 4263, 4791, 11179, 12789, 14373, 33537, 46313, 78253, 100611, 138939, 234759, 324191, 416817, 704277, 972573, 2269337, 2917719, 6808011, 20424033]

約数ペア:

[(1, 20424033), (3, 6808011), (7, 2917719), (9, 2269337), (21, 972573), (29, 704277), (49, 416817), (63, 324191), (87, 234759), (147, 138939), (203, 100611), (261, 78253), (441, 46313), (609, 33537), (1421, 14373), (1597, 12789), (1827, 11179), (4263, 4791)]