20699406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12637}}^1$

素因数の和:12665

約数の個数: 48

約数和(自身を含む): 55202784

約数和(自身を除く): 34503378

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12637, 25274, 37911, 75822, 88459, 113733, 164281, 176918, 227466, 265377, 328562, 492843, 530754, 796131, 985686, 1149967, 1478529, 1592262, 2299934, 2957058, 3449901, 6899802, 10349703, 20699406]

約数ペア:

[(1, 20699406), (2, 10349703), (3, 6899802), (6, 3449901), (7, 2957058), (9, 2299934), (13, 1592262), (14, 1478529), (18, 1149967), (21, 985686), (26, 796131), (39, 530754), (42, 492843), (63, 328562), (78, 265377), (91, 227466), (117, 176918), (126, 164281), (182, 113733), (234, 88459), (273, 75822), (546, 37911), (819, 25274), (1638, 12637)]