20172088972

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:851

約数の個数: 96

約数和(自身を含む): 41513472000

約数和(自身を除く): 21341383028

約数列:

[1, 2, 4, 7, 14, 28, 103, 107, 131, 206, 214, 262, 412, 428, 499, 524, 721, 749, 917, 998, 1442, 1498, 1834, 1996, 2884, 2996, 3493, 3668, 6986, 11021, 13493, 13972, 14017, 22042, 26986, 28034, 44084, 51397, 53393, 53972, 56068, 65369, 77147, 94451, 98119, 102794, 106786, 130738, 154294, 188902, 196238, 205588, 213572, 261476, 308588, 359779, 373751, 377804, 392476, 457583, 719558, 747502, 915166, 1439116, 1443751, 1495004, 1830332, 2887502, 5499479, 5775004, 6733007, 6994483, 10106257, 10998958, 13466014, 13988966, 20212514, 21997916, 26932028, 27977932, 38496353, 40425028, 47131049, 48961381, 76992706, 94262098, 97922762, 153985412, 188524196, 195845524, 720431749, 1440863498, 2881726996, 5043022243, 10086044486, 20172088972]

約数ペア:

[(1, 20172088972), (2, 10086044486), (4, 5043022243), (7, 2881726996), (14, 1440863498), (28, 720431749), (103, 195845524), (107, 188524196), (131, 153985412), (206, 97922762), (214, 94262098), (262, 76992706), (412, 48961381), (428, 47131049), (499, 40425028), (524, 38496353), (721, 27977932), (749, 26932028), (917, 21997916), (998, 20212514), (1442, 13988966), (1498, 13466014), (1834, 10998958), (1996, 10106257), (2884, 6994483), (2996, 6733007), (3493, 5775004), (3668, 5499479), (6986, 2887502), (11021, 1830332), (13493, 1495004), (13972, 1443751), (14017, 1439116), (22042, 915166), (26986, 747502), (28034, 719558), (44084, 457583), (51397, 392476), (53393, 377804), (53972, 373751), (56068, 359779), (65369, 308588), (77147, 261476), (94451, 213572), (98119, 205588), (102794, 196238), (106786, 188902), (130738, 154294)]