20183296988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{5807}}^1$

素因数の和:6554

約数の個数: 48

約数和(自身を含む): 37936926720

約数和(自身を除く): 17753629732

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 647, 1294, 1343, 2588, 2686, 5372, 5807, 10999, 11614, 21998, 23228, 43996, 51113, 98719, 102226, 197438, 204452, 394876, 458753, 868921, 917506, 1737842, 1835012, 3475684, 3757129, 7514258, 7798801, 15028516, 15597602, 31195204, 63871193, 127742386, 255484772, 296813191, 593626382, 1187252764, 5045824247, 10091648494, 20183296988]

約数ペア:

[(1, 20183296988), (2, 10091648494), (4, 5045824247), (17, 1187252764), (34, 593626382), (68, 296813191), (79, 255484772), (158, 127742386), (316, 63871193), (647, 31195204), (1294, 15597602), (1343, 15028516), (2588, 7798801), (2686, 7514258), (5372, 3757129), (5807, 3475684), (10999, 1835012), (11614, 1737842), (21998, 917506), (23228, 868921), (43996, 458753), (51113, 394876), (98719, 204452), (102226, 197438)]