20022735

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 13684785

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 839, 1591, 2517, 4195, 4773, 7955, 12585, 23865, 31043, 36077, 93129, 108231, 155215, 180385, 465645, 541155, 1334849, 4004547, 6674245, 20022735]

約数ペア:

[(1, 20022735), (3, 6674245), (5, 4004547), (15, 1334849), (37, 541155), (43, 465645), (111, 180385), (129, 155215), (185, 108231), (215, 93129), (555, 36077), (645, 31043), (839, 23865), (1591, 12585), (2517, 7955), (4195, 4773)]