20001120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41669}}^1$

素因数の和:41687

約数の個数: 48

約数和(自身を含む): 63005040

約数和(自身を除く): 43003920

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, 41669, 83338, 125007, 166676, 208345, 250014, 333352, 416690, 500028, 625035, 666704, 833380, 1000056, 1250070, 1333408, 1666760, 2000112, 2500140, 3333520, 4000224, 5000280, 6667040, 10000560, 20001120]

約数ペア:

[(1, 20001120), (2, 10000560), (3, 6667040), (4, 5000280), (5, 4000224), (6, 3333520), (8, 2500140), (10, 2000112), (12, 1666760), (15, 1333408), (16, 1250070), (20, 1000056), (24, 833380), (30, 666704), (32, 625035), (40, 500028), (48, 416690), (60, 333352), (80, 250014), (96, 208345), (120, 166676), (160, 125007), (240, 83338), (480, 41669)]