20442720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42589}}^1$

素因数の和:42607

約数の個数: 48

約数和(自身を含む): 64396080

約数和(自身を除く): 43953360

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, 42589, 85178, 127767, 170356, 212945, 255534, 340712, 425890, 511068, 638835, 681424, 851780, 1022136, 1277670, 1362848, 1703560, 2044272, 2555340, 3407120, 4088544, 5110680, 6814240, 10221360, 20442720]

約数ペア:

[(1, 20442720), (2, 10221360), (3, 6814240), (4, 5110680), (5, 4088544), (6, 3407120), (8, 2555340), (10, 2044272), (12, 1703560), (15, 1362848), (16, 1277670), (20, 1022136), (24, 851780), (30, 681424), (32, 638835), (40, 511068), (48, 425890), (60, 340712), (80, 255534), (96, 212945), (120, 170356), (160, 127767), (240, 85178), (480, 42589)]