20835120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86813}}^1$

素因数の和:86829

約数の個数: 40

約数和(自身を含む): 64589616

約数和(自身を除く): 43754496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86813, 173626, 260439, 347252, 434065, 520878, 694504, 868130, 1041756, 1302195, 1389008, 1736260, 2083512, 2604390, 3472520, 4167024, 5208780, 6945040, 10417560, 20835120]

約数ペア:

[(1, 20835120), (2, 10417560), (3, 6945040), (4, 5208780), (5, 4167024), (6, 3472520), (8, 2604390), (10, 2083512), (12, 1736260), (15, 1389008), (16, 1302195), (20, 1041756), (24, 868130), (30, 694504), (40, 520878), (48, 434065), (60, 347252), (80, 260439), (120, 173626), (240, 86813)]