20211793912

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{89}}^2\times {\mathrm{10289}}^1$

素因数の和:10504

約数の個数: 48

約数和(自身を含む): 39567931200

約数和(自身を除く): 19356137288

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 712, 2759, 5518, 7921, 10289, 11036, 15842, 20578, 22072, 31684, 41156, 63368, 82312, 245551, 318959, 491102, 637918, 915721, 982204, 1275836, 1831442, 1964408, 2551672, 3662884, 7325768, 28387351, 56774702, 81499169, 113549404, 162998338, 227098808, 325996676, 651993352, 2526474239, 5052948478, 10105896956, 20211793912]

約数ペア:

[(1, 20211793912), (2, 10105896956), (4, 5052948478), (8, 2526474239), (31, 651993352), (62, 325996676), (89, 227098808), (124, 162998338), (178, 113549404), (248, 81499169), (356, 56774702), (712, 28387351), (2759, 7325768), (5518, 3662884), (7921, 2551672), (10289, 1964408), (11036, 1831442), (15842, 1275836), (20578, 982204), (22072, 915721), (31684, 637918), (41156, 491102), (63368, 318959), (82312, 245551)]