20063505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 21408495

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 145, 165, 203, 231, 319, 385, 435, 599, 609, 957, 1015, 1155, 1595, 1797, 2233, 2995, 3045, 4193, 4785, 6589, 6699, 8985, 11165, 12579, 17371, 19767, 20965, 32945, 33495, 46123, 52113, 62895, 86855, 98835, 121597, 138369, 191081, 230615, 260565, 364791, 573243, 607985, 691845, 955405, 1337567, 1823955, 2866215, 4012701, 6687835, 20063505]

約数ペア:

[(1, 20063505), (3, 6687835), (5, 4012701), (7, 2866215), (11, 1823955), (15, 1337567), (21, 955405), (29, 691845), (33, 607985), (35, 573243), (55, 364791), (77, 260565), (87, 230615), (105, 191081), (145, 138369), (165, 121597), (203, 98835), (231, 86855), (319, 62895), (385, 52113), (435, 46123), (599, 33495), (609, 32945), (957, 20965), (1015, 19767), (1155, 17371), (1595, 12579), (1797, 11165), (2233, 8985), (2995, 6699), (3045, 6589), (4193, 4785)]