20867910778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{911}}^1$

素因数の和:1112

約数の個数: 96

約数和(自身を含む): 37996210944

約数和(自身を除く): 17128300166

約数列:

[1, 2, 11, 13, 22, 26, 61, 101, 122, 143, 169, 202, 286, 338, 671, 793, 911, 1111, 1313, 1342, 1586, 1822, 1859, 2222, 2626, 3718, 6161, 8723, 10021, 10309, 11843, 12322, 14443, 17069, 17446, 20042, 20618, 23686, 28886, 34138, 55571, 67771, 80093, 92011, 111142, 113399, 130273, 135542, 153959, 160186, 184022, 187759, 226798, 260546, 307918, 375518, 611281, 722423, 881023, 1012121, 1041209, 1196143, 1222562, 1444846, 1693549, 1762046, 2024242, 2082418, 2392286, 3387098, 5612671, 7946653, 9391499, 11225342, 11453299, 13157573, 15549859, 15893306, 18782998, 22906598, 26315146, 31099718, 61739381, 72964723, 103306489, 123478762, 145929446, 171048449, 206612978, 342096898, 802611953, 948541399, 1605223906, 1897082798, 10433955389, 20867910778]

約数ペア:

[(1, 20867910778), (2, 10433955389), (11, 1897082798), (13, 1605223906), (22, 948541399), (26, 802611953), (61, 342096898), (101, 206612978), (122, 171048449), (143, 145929446), (169, 123478762), (202, 103306489), (286, 72964723), (338, 61739381), (671, 31099718), (793, 26315146), (911, 22906598), (1111, 18782998), (1313, 15893306), (1342, 15549859), (1586, 13157573), (1822, 11453299), (1859, 11225342), (2222, 9391499), (2626, 7946653), (3718, 5612671), (6161, 3387098), (8723, 2392286), (10021, 2082418), (10309, 2024242), (11843, 1762046), (12322, 1693549), (14443, 1444846), (17069, 1222562), (17446, 1196143), (20042, 1041209), (20618, 1012121), (23686, 881023), (28886, 722423), (34138, 611281), (55571, 375518), (67771, 307918), (80093, 260546), (92011, 226798), (111142, 187759), (113399, 184022), (130273, 160186), (135542, 153959)]