20158680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5419}}^1$

素因数の和:5464

約数の個数: 64

約数和(自身を含む): 62438400

約数和(自身を除く): 42279720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5419, 10838, 16257, 21676, 27095, 32514, 43352, 54190, 65028, 81285, 108380, 130056, 162570, 167989, 216760, 325140, 335978, 503967, 650280, 671956, 839945, 1007934, 1343912, 1679890, 2015868, 2519835, 3359780, 4031736, 5039670, 6719560, 10079340, 20158680]

約数ペア:

[(1, 20158680), (2, 10079340), (3, 6719560), (4, 5039670), (5, 4031736), (6, 3359780), (8, 2519835), (10, 2015868), (12, 1679890), (15, 1343912), (20, 1007934), (24, 839945), (30, 671956), (31, 650280), (40, 503967), (60, 335978), (62, 325140), (93, 216760), (120, 167989), (124, 162570), (155, 130056), (186, 108380), (248, 81285), (310, 65028), (372, 54190), (465, 43352), (620, 32514), (744, 27095), (930, 21676), (1240, 16257), (1860, 10838), (3720, 5419)]