20613480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9041}}^1$

素因数の和:9074

約数の個数: 64

約数和(自身を含む): 65102400

約数和(自身を除く): 44488920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9041, 18082, 27123, 36164, 45205, 54246, 72328, 90410, 108492, 135615, 171779, 180820, 216984, 271230, 343558, 361640, 515337, 542460, 687116, 858895, 1030674, 1084920, 1374232, 1717790, 2061348, 2576685, 3435580, 4122696, 5153370, 6871160, 10306740, 20613480]

約数ペア:

[(1, 20613480), (2, 10306740), (3, 6871160), (4, 5153370), (5, 4122696), (6, 3435580), (8, 2576685), (10, 2061348), (12, 1717790), (15, 1374232), (19, 1084920), (20, 1030674), (24, 858895), (30, 687116), (38, 542460), (40, 515337), (57, 361640), (60, 343558), (76, 271230), (95, 216984), (114, 180820), (120, 171779), (152, 135615), (190, 108492), (228, 90410), (285, 72328), (380, 54246), (456, 45205), (570, 36164), (760, 27123), (1140, 18082), (2280, 9041)]