20935620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1087}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 64157184

約数和(自身を除く): 43221564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1087, 1284, 1605, 1926, 2140, 2174, 3210, 3261, 3852, 4348, 4815, 5435, 6420, 6522, 9630, 9783, 10870, 13044, 16305, 19260, 19566, 21740, 32610, 39132, 48915, 65220, 97830, 116309, 195660, 232618, 348927, 465236, 581545, 697854, 1046781, 1163090, 1395708, 1744635, 2093562, 2326180, 3489270, 4187124, 5233905, 6978540, 10467810, 20935620]

約数ペア:

[(1, 20935620), (2, 10467810), (3, 6978540), (4, 5233905), (5, 4187124), (6, 3489270), (9, 2326180), (10, 2093562), (12, 1744635), (15, 1395708), (18, 1163090), (20, 1046781), (30, 697854), (36, 581545), (45, 465236), (60, 348927), (90, 232618), (107, 195660), (180, 116309), (214, 97830), (321, 65220), (428, 48915), (535, 39132), (642, 32610), (963, 21740), (1070, 19566), (1087, 19260), (1284, 16305), (1605, 13044), (1926, 10870), (2140, 9783), (2174, 9630), (3210, 6522), (3261, 6420), (3852, 5435), (4348, 4815)]