20131438864

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{2341}}^1\times {\mathrm{13109}}^1$

素因数の和:15499

約数の個数: 40

約数和(自身を含む): 39976113240

約数和(自身を除く): 19844674376

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 2341, 4682, 9364, 13109, 18728, 26218, 37456, 52436, 95981, 104872, 191962, 209744, 383924, 537469, 767848, 1074938, 1535696, 2149876, 4299752, 8599504, 30688169, 61376338, 122752676, 245505352, 491010704, 1258214929, 2516429858, 5032859716, 10065719432, 20131438864]

約数ペア:

[(1, 20131438864), (2, 10065719432), (4, 5032859716), (8, 2516429858), (16, 1258214929), (41, 491010704), (82, 245505352), (164, 122752676), (328, 61376338), (656, 30688169), (2341, 8599504), (4682, 4299752), (9364, 2149876), (13109, 1535696), (18728, 1074938), (26218, 767848), (37456, 537469), (52436, 383924), (95981, 209744), (104872, 191962)]