20463760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13463}}^1$

素因数の和:13495

約数の個数: 40

約数和(自身を含む): 50086080

約数和(自身を除く): 29622320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13463, 26926, 53852, 67315, 107704, 134630, 215408, 255797, 269260, 511594, 538520, 1023188, 1077040, 1278985, 2046376, 2557970, 4092752, 5115940, 10231880, 20463760]

約数ペア:

[(1, 20463760), (2, 10231880), (4, 5115940), (5, 4092752), (8, 2557970), (10, 2046376), (16, 1278985), (19, 1077040), (20, 1023188), (38, 538520), (40, 511594), (76, 269260), (80, 255797), (95, 215408), (152, 134630), (190, 107704), (304, 67315), (380, 53852), (760, 26926), (1520, 13463)]