20312248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3251}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 42145920

約数和(自身を除く): 21833672

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3251, 6248, 6502, 13004, 26008, 35761, 71522, 143044, 230821, 286088, 461642, 923284, 1846568, 2539031, 5078062, 10156124, 20312248]

約数ペア:

[(1, 20312248), (2, 10156124), (4, 5078062), (8, 2539031), (11, 1846568), (22, 923284), (44, 461642), (71, 286088), (88, 230821), (142, 143044), (284, 71522), (568, 35761), (781, 26008), (1562, 13004), (3124, 6502), (3251, 6248)]