20327640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2777}}^1$

素因数の和:2852

約数の個数: 64

約数和(自身を含む): 62004960

約数和(自身を除く): 41677320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2777, 3660, 5554, 7320, 8331, 11108, 13885, 16662, 22216, 27770, 33324, 41655, 55540, 66648, 83310, 111080, 166620, 169397, 333240, 338794, 508191, 677588, 846985, 1016382, 1355176, 1693970, 2032764, 2540955, 3387940, 4065528, 5081910, 6775880, 10163820, 20327640]

約数ペア:

[(1, 20327640), (2, 10163820), (3, 6775880), (4, 5081910), (5, 4065528), (6, 3387940), (8, 2540955), (10, 2032764), (12, 1693970), (15, 1355176), (20, 1016382), (24, 846985), (30, 677588), (40, 508191), (60, 338794), (61, 333240), (120, 169397), (122, 166620), (183, 111080), (244, 83310), (305, 66648), (366, 55540), (488, 41655), (610, 33324), (732, 27770), (915, 22216), (1220, 16662), (1464, 13885), (1830, 11108), (2440, 8331), (2777, 7320), (3660, 5554)]