20396760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5483}}^1$

素因数の和:5528

約数の個数: 64

約数和(自身を含む): 63175680

約数和(自身を除く): 42778920

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, 5483, 10966, 16449, 21932, 27415, 32898, 43864, 54830, 65796, 82245, 109660, 131592, 164490, 169973, 219320, 328980, 339946, 509919, 657960, 679892, 849865, 1019838, 1359784, 1699730, 2039676, 2549595, 3399460, 4079352, 5099190, 6798920, 10198380, 20396760]

約数ペア:

[(1, 20396760), (2, 10198380), (3, 6798920), (4, 5099190), (5, 4079352), (6, 3399460), (8, 2549595), (10, 2039676), (12, 1699730), (15, 1359784), (20, 1019838), (24, 849865), (30, 679892), (31, 657960), (40, 509919), (60, 339946), (62, 328980), (93, 219320), (120, 169973), (124, 164490), (155, 131592), (186, 109660), (248, 82245), (310, 65796), (372, 54830), (465, 43864), (620, 32898), (744, 27415), (930, 21932), (1240, 16449), (1860, 10966), (3720, 5483)]