20425284

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^2\times {\mathrm{521}}^1$

素因数の和:559

約数の個数: 90

約数和(自身を含む): 58803822

約数和(自身を除く): 38378538

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 121, 132, 162, 198, 242, 297, 324, 363, 396, 484, 521, 594, 726, 891, 1042, 1089, 1188, 1452, 1563, 1782, 2084, 2178, 3126, 3267, 3564, 4356, 4689, 5731, 6252, 6534, 9378, 9801, 11462, 13068, 14067, 17193, 18756, 19602, 22924, 28134, 34386, 39204, 42201, 51579, 56268, 63041, 68772, 84402, 103158, 126082, 154737, 168804, 189123, 206316, 252164, 309474, 378246, 464211, 567369, 618948, 756492, 928422, 1134738, 1702107, 1856844, 2269476, 3404214, 5106321, 6808428, 10212642, 20425284]

約数ペア:

[(1, 20425284), (2, 10212642), (3, 6808428), (4, 5106321), (6, 3404214), (9, 2269476), (11, 1856844), (12, 1702107), (18, 1134738), (22, 928422), (27, 756492), (33, 618948), (36, 567369), (44, 464211), (54, 378246), (66, 309474), (81, 252164), (99, 206316), (108, 189123), (121, 168804), (132, 154737), (162, 126082), (198, 103158), (242, 84402), (297, 68772), (324, 63041), (363, 56268), (396, 51579), (484, 42201), (521, 39204), (594, 34386), (726, 28134), (891, 22924), (1042, 19602), (1089, 18756), (1188, 17193), (1452, 14067), (1563, 13068), (1782, 11462), (2084, 9801), (2178, 9378), (3126, 6534), (3267, 6252), (3564, 5731), (4356, 4689)]