20172492

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 53202240

約数和(自身を除く): 33029748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 79, 82, 123, 158, 164, 173, 237, 246, 316, 346, 369, 474, 492, 519, 692, 711, 738, 948, 1038, 1422, 1476, 1557, 2076, 2844, 3114, 3239, 6228, 6478, 7093, 9717, 12956, 13667, 14186, 19434, 21279, 27334, 28372, 29151, 38868, 41001, 42558, 54668, 58302, 63837, 82002, 85116, 116604, 123003, 127674, 164004, 246006, 255348, 492012, 560347, 1120694, 1681041, 2241388, 3362082, 5043123, 6724164, 10086246, 20172492]

約数ペア:

[(1, 20172492), (2, 10086246), (3, 6724164), (4, 5043123), (6, 3362082), (9, 2241388), (12, 1681041), (18, 1120694), (36, 560347), (41, 492012), (79, 255348), (82, 246006), (123, 164004), (158, 127674), (164, 123003), (173, 116604), (237, 85116), (246, 82002), (316, 63837), (346, 58302), (369, 54668), (474, 42558), (492, 41001), (519, 38868), (692, 29151), (711, 28372), (738, 27334), (948, 21279), (1038, 19434), (1422, 14186), (1476, 13667), (1557, 12956), (2076, 9717), (2844, 7093), (3114, 6478), (3239, 6228)]