20435580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10321}}^1$

素因数の和:10347

約数の個数: 72

約数和(自身を含む): 67629744

約数和(自身を除く): 47194164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10321, 20642, 30963, 41284, 51605, 61926, 92889, 103210, 113531, 123852, 154815, 185778, 206420, 227062, 309630, 340593, 371556, 454124, 464445, 567655, 619260, 681186, 928890, 1021779, 1135310, 1362372, 1702965, 1857780, 2043558, 2270620, 3405930, 4087116, 5108895, 6811860, 10217790, 20435580]

約数ペア:

[(1, 20435580), (2, 10217790), (3, 6811860), (4, 5108895), (5, 4087116), (6, 3405930), (9, 2270620), (10, 2043558), (11, 1857780), (12, 1702965), (15, 1362372), (18, 1135310), (20, 1021779), (22, 928890), (30, 681186), (33, 619260), (36, 567655), (44, 464445), (45, 454124), (55, 371556), (60, 340593), (66, 309630), (90, 227062), (99, 206420), (110, 185778), (132, 154815), (165, 123852), (180, 113531), (198, 103210), (220, 92889), (330, 61926), (396, 51605), (495, 41284), (660, 30963), (990, 20642), (1980, 10321)]