20168946

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 51667200

約数和(自身を除く): 31498254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 229, 233, 378, 458, 466, 687, 699, 1374, 1398, 1603, 1631, 2061, 2097, 3206, 3262, 4122, 4194, 4809, 4893, 6183, 6291, 9618, 9786, 12366, 12582, 14427, 14679, 28854, 29358, 43281, 44037, 53357, 86562, 88074, 106714, 160071, 320142, 373499, 480213, 746998, 960426, 1120497, 1440639, 2240994, 2881278, 3361491, 6722982, 10084473, 20168946]

約数ペア:

[(1, 20168946), (2, 10084473), (3, 6722982), (6, 3361491), (7, 2881278), (9, 2240994), (14, 1440639), (18, 1120497), (21, 960426), (27, 746998), (42, 480213), (54, 373499), (63, 320142), (126, 160071), (189, 106714), (229, 88074), (233, 86562), (378, 53357), (458, 44037), (466, 43281), (687, 29358), (699, 28854), (1374, 14679), (1398, 14427), (1603, 12582), (1631, 12366), (2061, 9786), (2097, 9618), (3206, 6291), (3262, 6183), (4122, 4893), (4194, 4809)]