20390428560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2740649}}^1$

素因数の和:2740696

約数の個数: 80

約数和(自身を含む): 65249395200

約数和(自身を除く): 44858966640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2740649, 5481298, 8221947, 10962596, 13703245, 16443894, 21925192, 27406490, 32887788, 41109735, 43850384, 54812980, 65775576, 82219470, 84960119, 109625960, 131551152, 164438940, 169920238, 219251920, 254880357, 328877880, 339840476, 424800595, 509760714, 657755760, 679680952, 849601190, 1019521428, 1274401785, 1359361904, 1699202380, 2039042856, 2548803570, 3398404760, 4078085712, 5097607140, 6796809520, 10195214280, 20390428560]

約数ペア:

[(1, 20390428560), (2, 10195214280), (3, 6796809520), (4, 5097607140), (5, 4078085712), (6, 3398404760), (8, 2548803570), (10, 2039042856), (12, 1699202380), (15, 1359361904), (16, 1274401785), (20, 1019521428), (24, 849601190), (30, 679680952), (31, 657755760), (40, 509760714), (48, 424800595), (60, 339840476), (62, 328877880), (80, 254880357), (93, 219251920), (120, 169920238), (124, 164438940), (155, 131551152), (186, 109625960), (240, 84960119), (248, 82219470), (310, 65775576), (372, 54812980), (465, 43850384), (496, 41109735), (620, 32887788), (744, 27406490), (930, 21925192), (1240, 16443894), (1488, 13703245), (1860, 10962596), (2480, 8221947), (3720, 5481298), (7440, 2740649)]