20531772

素因数分解:

$2^2\times 3^3\times {\mathrm{151}}^1\times {\mathrm{1259}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 33093828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 151, 302, 453, 604, 906, 1259, 1359, 1812, 2518, 2718, 3777, 4077, 5036, 5436, 7554, 8154, 11331, 15108, 16308, 22662, 33993, 45324, 67986, 135972, 190109, 380218, 570327, 760436, 1140654, 1710981, 2281308, 3421962, 5132943, 6843924, 10265886, 20531772]

約数ペア:

[(1, 20531772), (2, 10265886), (3, 6843924), (4, 5132943), (6, 3421962), (9, 2281308), (12, 1710981), (18, 1140654), (27, 760436), (36, 570327), (54, 380218), (108, 190109), (151, 135972), (302, 67986), (453, 45324), (604, 33993), (906, 22662), (1259, 16308), (1359, 15108), (1812, 11331), (2518, 8154), (2718, 7554), (3777, 5436), (4077, 5036)]