20630584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1217}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 41947920

約数和(自身を除く): 21317336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1217, 1304, 2119, 2434, 4238, 4868, 8476, 9736, 15821, 16952, 31642, 63284, 126568, 198371, 396742, 793484, 1586968, 2578823, 5157646, 10315292, 20630584]

約数ペア:

[(1, 20630584), (2, 10315292), (4, 5157646), (8, 2578823), (13, 1586968), (26, 793484), (52, 396742), (104, 198371), (163, 126568), (326, 63284), (652, 31642), (1217, 16952), (1304, 15821), (2119, 9736), (2434, 8476), (4238, 4868)]