20447760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85199}}^1$

素因数の和:85215

約数の個数: 40

約数和(自身を含む): 63388800

約数和(自身を除く): 42941040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85199, 170398, 255597, 340796, 425995, 511194, 681592, 851990, 1022388, 1277985, 1363184, 1703980, 2044776, 2555970, 3407960, 4089552, 5111940, 6815920, 10223880, 20447760]

約数ペア:

[(1, 20447760), (2, 10223880), (3, 6815920), (4, 5111940), (5, 4089552), (6, 3407960), (8, 2555970), (10, 2044776), (12, 1703980), (15, 1363184), (16, 1277985), (20, 1022388), (24, 851990), (30, 681592), (40, 511194), (48, 425995), (60, 340796), (80, 255597), (120, 170398), (240, 85199)]