20187418716

素因数分解:

$2^2\times 3^2\times {\mathrm{3943}}^1\times {\mathrm{142217}}^1$

素因数の和:146170

約数の個数: 36

約数和(自身を含む): 51042609072

約数和(自身を除く): 30855190356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 3943, 7886, 11829, 15772, 23658, 35487, 47316, 70974, 141948, 142217, 284434, 426651, 568868, 853302, 1279953, 1706604, 2559906, 5119812, 560761631, 1121523262, 1682284893, 2243046524, 3364569786, 5046854679, 6729139572, 10093709358, 20187418716]

約数ペア:

[(1, 20187418716), (2, 10093709358), (3, 6729139572), (4, 5046854679), (6, 3364569786), (9, 2243046524), (12, 1682284893), (18, 1121523262), (36, 560761631), (3943, 5119812), (7886, 2559906), (11829, 1706604), (15772, 1279953), (23658, 853302), (35487, 568868), (47316, 426651), (70974, 284434), (141948, 142217)]