20779680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43291}}^1$

素因数の和:43309

約数の個数: 48

約数和(自身を含む): 65457504

約数和(自身を除く): 44677824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43291, 86582, 129873, 173164, 216455, 259746, 346328, 432910, 519492, 649365, 692656, 865820, 1038984, 1298730, 1385312, 1731640, 2077968, 2597460, 3463280, 4155936, 5194920, 6926560, 10389840, 20779680]

約数ペア:

[(1, 20779680), (2, 10389840), (3, 6926560), (4, 5194920), (5, 4155936), (6, 3463280), (8, 2597460), (10, 2077968), (12, 1731640), (15, 1385312), (16, 1298730), (20, 1038984), (24, 865820), (30, 692656), (32, 649365), (40, 519492), (48, 432910), (60, 346328), (80, 259746), (96, 216455), (120, 173164), (160, 129873), (240, 86582), (480, 43291)]