20465580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11003}}^1$

素因数の和:11046

約数の個数: 48

約数和(自身を含む): 59157504

約数和(自身を除く): 38691924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11003, 22006, 33009, 44012, 55015, 66018, 110030, 132036, 165045, 220060, 330090, 341093, 660180, 682186, 1023279, 1364372, 1705465, 2046558, 3410930, 4093116, 5116395, 6821860, 10232790, 20465580]

約数ペア:

[(1, 20465580), (2, 10232790), (3, 6821860), (4, 5116395), (5, 4093116), (6, 3410930), (10, 2046558), (12, 1705465), (15, 1364372), (20, 1023279), (30, 682186), (31, 660180), (60, 341093), (62, 330090), (93, 220060), (124, 165045), (155, 132036), (186, 110030), (310, 66018), (372, 55015), (465, 44012), (620, 33009), (930, 22006), (1860, 11003)]