20731560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5573}}^1$

素因数の和:5618

約数の個数: 64

約数和(自身を含む): 64212480

約数和(自身を除く): 43480920

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, 5573, 11146, 16719, 22292, 27865, 33438, 44584, 55730, 66876, 83595, 111460, 133752, 167190, 172763, 222920, 334380, 345526, 518289, 668760, 691052, 863815, 1036578, 1382104, 1727630, 2073156, 2591445, 3455260, 4146312, 5182890, 6910520, 10365780, 20731560]

約数ペア:

[(1, 20731560), (2, 10365780), (3, 6910520), (4, 5182890), (5, 4146312), (6, 3455260), (8, 2591445), (10, 2073156), (12, 1727630), (15, 1382104), (20, 1036578), (24, 863815), (30, 691052), (31, 668760), (40, 518289), (60, 345526), (62, 334380), (93, 222920), (120, 172763), (124, 167190), (155, 133752), (186, 111460), (248, 83595), (310, 66876), (372, 55730), (465, 44584), (620, 33438), (744, 27865), (930, 22292), (1240, 16719), (1860, 11146), (3720, 5573)]