20166352

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 41729472

約数和(自身を除く): 21563120

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 151, 272, 302, 491, 604, 982, 1208, 1964, 2416, 2567, 3928, 5134, 7856, 8347, 10268, 16694, 20536, 33388, 41072, 66776, 74141, 133552, 148282, 296564, 593128, 1186256, 1260397, 2520794, 5041588, 10083176, 20166352]

約数ペア:

[(1, 20166352), (2, 10083176), (4, 5041588), (8, 2520794), (16, 1260397), (17, 1186256), (34, 593128), (68, 296564), (136, 148282), (151, 133552), (272, 74141), (302, 66776), (491, 41072), (604, 33388), (982, 20536), (1208, 16694), (1964, 10268), (2416, 8347), (2567, 7856), (3928, 5134)]