20091180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3251}}^1$

素因数の和:3366

約数の個数: 48

約数和(自身を含む): 56818944

約数和(自身を除く): 36727764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 3251, 6180, 6502, 9753, 13004, 16255, 19506, 32510, 39012, 48765, 65020, 97530, 195060, 334853, 669706, 1004559, 1339412, 1674265, 2009118, 3348530, 4018236, 5022795, 6697060, 10045590, 20091180]

約数ペア:

[(1, 20091180), (2, 10045590), (3, 6697060), (4, 5022795), (5, 4018236), (6, 3348530), (10, 2009118), (12, 1674265), (15, 1339412), (20, 1004559), (30, 669706), (60, 334853), (103, 195060), (206, 97530), (309, 65020), (412, 48765), (515, 39012), (618, 32510), (1030, 19506), (1236, 16255), (1545, 13004), (2060, 9753), (3090, 6502), (3251, 6180)]