20797624

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 40098240

約数和(自身を除く): 19300616

約数列:

[1, 2, 4, 8, 53, 106, 181, 212, 271, 362, 424, 542, 724, 1084, 1448, 2168, 9593, 14363, 19186, 28726, 38372, 49051, 57452, 76744, 98102, 114904, 196204, 392408, 2599703, 5199406, 10398812, 20797624]

約数ペア:

[(1, 20797624), (2, 10398812), (4, 5199406), (8, 2599703), (53, 392408), (106, 196204), (181, 114904), (212, 98102), (271, 76744), (362, 57452), (424, 49051), (542, 38372), (724, 28726), (1084, 19186), (1448, 14363), (2168, 9593)]