20455830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1361}}^1$

素因数の和:1541

約数の個数: 48

約数和(自身を含む): 53542944

約数和(自身を除く): 33087114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 167, 334, 501, 835, 1002, 1361, 1503, 1670, 2505, 2722, 3006, 4083, 5010, 6805, 7515, 8166, 12249, 13610, 15030, 20415, 24498, 40830, 61245, 122490, 227287, 454574, 681861, 1136435, 1363722, 2045583, 2272870, 3409305, 4091166, 6818610, 10227915, 20455830]

約数ペア:

[(1, 20455830), (2, 10227915), (3, 6818610), (5, 4091166), (6, 3409305), (9, 2272870), (10, 2045583), (15, 1363722), (18, 1136435), (30, 681861), (45, 454574), (90, 227287), (167, 122490), (334, 61245), (501, 40830), (835, 24498), (1002, 20415), (1361, 15030), (1503, 13610), (1670, 12249), (2505, 8166), (2722, 7515), (3006, 6805), (4083, 5010)]