20030490

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8243}}^1$

素因数の和:8265

約数の個数: 48

約数和(自身を含む): 54014688

約数和(自身を除く): 33984198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8243, 16486, 24729, 41215, 49458, 74187, 82430, 123645, 148374, 222561, 247290, 370935, 445122, 667683, 741870, 1112805, 1335366, 2003049, 2225610, 3338415, 4006098, 6676830, 10015245, 20030490]

約数ペア:

[(1, 20030490), (2, 10015245), (3, 6676830), (5, 4006098), (6, 3338415), (9, 2225610), (10, 2003049), (15, 1335366), (18, 1112805), (27, 741870), (30, 667683), (45, 445122), (54, 370935), (81, 247290), (90, 222561), (135, 148374), (162, 123645), (243, 82430), (270, 74187), (405, 49458), (486, 41215), (810, 24729), (1215, 16486), (2430, 8243)]