20159880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12923}}^1$

素因数の和:12950

約数の個数: 64

約数和(自身を含む): 65136960

約数和(自身を除く): 44977080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12923, 25846, 38769, 51692, 64615, 77538, 103384, 129230, 155076, 167999, 193845, 258460, 310152, 335998, 387690, 503997, 516920, 671996, 775380, 839995, 1007994, 1343992, 1550760, 1679990, 2015988, 2519985, 3359980, 4031976, 5039970, 6719960, 10079940, 20159880]

約数ペア:

[(1, 20159880), (2, 10079940), (3, 6719960), (4, 5039970), (5, 4031976), (6, 3359980), (8, 2519985), (10, 2015988), (12, 1679990), (13, 1550760), (15, 1343992), (20, 1007994), (24, 839995), (26, 775380), (30, 671996), (39, 516920), (40, 503997), (52, 387690), (60, 335998), (65, 310152), (78, 258460), (104, 193845), (120, 167999), (130, 155076), (156, 129230), (195, 103384), (260, 77538), (312, 64615), (390, 51692), (520, 38769), (780, 25846), (1560, 12923)]