20262561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11256159

約数列:

[1, 3, 11, 29, 31, 33, 87, 93, 319, 341, 683, 899, 957, 1023, 2049, 2697, 7513, 9889, 19807, 21173, 22539, 29667, 59421, 63519, 217877, 232903, 614017, 653631, 698709, 1842051, 6754187, 20262561]

約数ペア:

[(1, 20262561), (3, 6754187), (11, 1842051), (29, 698709), (31, 653631), (33, 614017), (87, 232903), (93, 217877), (319, 63519), (341, 59421), (683, 29667), (899, 22539), (957, 21173), (1023, 19807), (2049, 9889), (2697, 7513)]