20868420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1229}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 58685760

約数和(自身を除く): 37817340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 283, 566, 849, 1132, 1229, 1415, 1698, 2458, 2830, 3396, 3687, 4245, 4916, 5660, 6145, 7374, 8490, 12290, 14748, 16980, 18435, 24580, 36870, 73740, 347807, 695614, 1043421, 1391228, 1739035, 2086842, 3478070, 4173684, 5217105, 6956140, 10434210, 20868420]

約数ペア:

[(1, 20868420), (2, 10434210), (3, 6956140), (4, 5217105), (5, 4173684), (6, 3478070), (10, 2086842), (12, 1739035), (15, 1391228), (20, 1043421), (30, 695614), (60, 347807), (283, 73740), (566, 36870), (849, 24580), (1132, 18435), (1229, 16980), (1415, 14748), (1698, 12290), (2458, 8490), (2830, 7374), (3396, 6145), (3687, 5660), (4245, 4916)]