20746710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3779}}^1$

素因数の和:3853

約数の個数: 48

約数和(自身を含む): 54840240

約数和(自身を除く): 34093530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3779, 5490, 7558, 11337, 18895, 22674, 34011, 37790, 56685, 68022, 113370, 170055, 230519, 340110, 461038, 691557, 1152595, 1383114, 2074671, 2305190, 3457785, 4149342, 6915570, 10373355, 20746710]

約数ペア:

[(1, 20746710), (2, 10373355), (3, 6915570), (5, 4149342), (6, 3457785), (9, 2305190), (10, 2074671), (15, 1383114), (18, 1152595), (30, 691557), (45, 461038), (61, 340110), (90, 230519), (122, 170055), (183, 113370), (305, 68022), (366, 56685), (549, 37790), (610, 34011), (915, 22674), (1098, 18895), (1830, 11337), (2745, 7558), (3779, 5490)]