20533716

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:350

約数の個数: 96

約数和(自身を含む): 61582080

約数和(自身を除く): 41048364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 157, 173, 189, 252, 314, 346, 378, 471, 519, 628, 692, 756, 942, 1038, 1099, 1211, 1413, 1557, 1884, 2076, 2198, 2422, 2826, 3114, 3297, 3633, 4239, 4396, 4671, 4844, 5652, 6228, 6594, 7266, 8478, 9342, 9891, 10899, 13188, 14532, 16956, 18684, 19782, 21798, 27161, 29673, 32697, 39564, 43596, 54322, 59346, 65394, 81483, 108644, 118692, 130788, 162966, 190127, 244449, 325932, 380254, 488898, 570381, 733347, 760508, 977796, 1140762, 1466694, 1711143, 2281524, 2933388, 3422286, 5133429, 6844572, 10266858, 20533716]

約数ペア:

[(1, 20533716), (2, 10266858), (3, 6844572), (4, 5133429), (6, 3422286), (7, 2933388), (9, 2281524), (12, 1711143), (14, 1466694), (18, 1140762), (21, 977796), (27, 760508), (28, 733347), (36, 570381), (42, 488898), (54, 380254), (63, 325932), (84, 244449), (108, 190127), (126, 162966), (157, 130788), (173, 118692), (189, 108644), (252, 81483), (314, 65394), (346, 59346), (378, 54322), (471, 43596), (519, 39564), (628, 32697), (692, 29673), (756, 27161), (942, 21798), (1038, 19782), (1099, 18684), (1211, 16956), (1413, 14532), (1557, 13188), (1884, 10899), (2076, 9891), (2198, 9342), (2422, 8478), (2826, 7266), (3114, 6594), (3297, 6228), (3633, 5652), (4239, 4844), (4396, 4671)]