20566980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5441}}^1$

素因数の和:5466

約数の個数: 96

約数和(自身を含む): 73140480

約数和(自身を除く): 52573500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5441, 10882, 16323, 21764, 27205, 32646, 38087, 48969, 54410, 65292, 76174, 81615, 97938, 108820, 114261, 146907, 152348, 163230, 190435, 195876, 228522, 244845, 293814, 326460, 342783, 380870, 457044, 489690, 571305, 587628, 685566, 734535, 761740, 979380, 1028349, 1142610, 1371132, 1469070, 1713915, 2056698, 2285220, 2938140, 3427830, 4113396, 5141745, 6855660, 10283490, 20566980]

約数ペア:

[(1, 20566980), (2, 10283490), (3, 6855660), (4, 5141745), (5, 4113396), (6, 3427830), (7, 2938140), (9, 2285220), (10, 2056698), (12, 1713915), (14, 1469070), (15, 1371132), (18, 1142610), (20, 1028349), (21, 979380), (27, 761740), (28, 734535), (30, 685566), (35, 587628), (36, 571305), (42, 489690), (45, 457044), (54, 380870), (60, 342783), (63, 326460), (70, 293814), (84, 244845), (90, 228522), (105, 195876), (108, 190435), (126, 163230), (135, 152348), (140, 146907), (180, 114261), (189, 108820), (210, 97938), (252, 81615), (270, 76174), (315, 65292), (378, 54410), (420, 48969), (540, 38087), (630, 32646), (756, 27205), (945, 21764), (1260, 16323), (1890, 10882), (3780, 5441)]