20418930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32411}}^1$

素因数の和:32431

約数の個数: 48

約数和(自身を含む): 60675264

約数和(自身を除く): 40256334

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32411, 64822, 97233, 162055, 194466, 226877, 291699, 324110, 453754, 486165, 583398, 680631, 972330, 1134385, 1361262, 1458495, 2041893, 2268770, 2916990, 3403155, 4083786, 6806310, 10209465, 20418930]

約数ペア:

[(1, 20418930), (2, 10209465), (3, 6806310), (5, 4083786), (6, 3403155), (7, 2916990), (9, 2268770), (10, 2041893), (14, 1458495), (15, 1361262), (18, 1134385), (21, 972330), (30, 680631), (35, 583398), (42, 486165), (45, 453754), (63, 324110), (70, 291699), (90, 226877), (105, 194466), (126, 162055), (210, 97233), (315, 64822), (630, 32411)]