20658629744

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{727}}^1\times {\mathrm{24329}}^1$

素因数の和:25137

約数の個数: 40

約数和(自身を含む): 40631878560

約数和(自身を除く): 19973248816

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 727, 1168, 1454, 2908, 5816, 11632, 24329, 48658, 53071, 97316, 106142, 194632, 212284, 389264, 424568, 849136, 1776017, 3552034, 7104068, 14208136, 17687183, 28416272, 35374366, 70748732, 141497464, 282994928, 1291164359, 2582328718, 5164657436, 10329314872, 20658629744]

約数ペア:

[(1, 20658629744), (2, 10329314872), (4, 5164657436), (8, 2582328718), (16, 1291164359), (73, 282994928), (146, 141497464), (292, 70748732), (584, 35374366), (727, 28416272), (1168, 17687183), (1454, 14208136), (2908, 7104068), (5816, 3552034), (11632, 1776017), (24329, 849136), (48658, 424568), (53071, 389264), (97316, 212284), (106142, 194632)]