20524515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2347}}^1$

素因数の和:2419

約数の個数: 32

約数和(自身を含む): 36516096

約数和(自身を除く): 15991581

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2347, 2915, 7041, 8745, 11735, 25817, 35205, 77451, 124391, 129085, 373173, 387255, 621955, 1368301, 1865865, 4104903, 6841505, 20524515]

約数ペア:

[(1, 20524515), (3, 6841505), (5, 4104903), (11, 1865865), (15, 1368301), (33, 621955), (53, 387255), (55, 373173), (159, 129085), (165, 124391), (265, 77451), (583, 35205), (795, 25817), (1749, 11735), (2347, 8745), (2915, 7041)]