20162081940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:118

約数の個数: 1152

約数和(自身を含む): 85001011200

約数和(自身を除く): 64838929260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 17, 20, 21, 22, 26, 28, 30, 31, 33, 34, 35, 39, 42, 44, 49, 51, 52, 55, 60, 62, 65, 66, 68, 70, 77, 78, 84, 85, 91, 93, 98, 102, 105, 110, 119, 124, 130, 132, 140, 143, 147, 154, 155, 156, 165, 169, 170, 182, 186, 187, 195, 196, 204, 210, 217, 220, 221, 231, 238, 245, 255, 260, 273, 286, 294, 308, 310, 330, 338, 340, 341, 343, 357, 364, 372, 374, 385, 390, 403, 420, 429, 434, 442, 455, 462, 465, 476, 490, 507, 510, 527, 539, 546, 561, 572, 588, 595, 620, 637, 651, 660, 663, 676, 682, 686, 714, 715, 735, 748, 770, 780, 806, 833, 845, 858, 868, 884, 910, 924, 930, 935, 980, 1001, 1014, 1020, 1023, 1029, 1054, 1078, 1085, 1092, 1105, 1122, 1155, 1183, 1190, 1209, 1274, 1302, 1309, 1326, 1364, 1365, 1372, 1428, 1430, 1470, 1519, 1540, 1547, 1581, 1612, 1617, 1666, 1690, 1705, 1715, 1716, 1785, 1820, 1859, 1860, 1870, 1911, 2002, 2015, 2028, 2046, 2058, 2108, 2145, 2156, 2170, 2210, 2244, 2310, 2366, 2380, 2387, 2418, 2431, 2499, 2535, 2548, 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約数ペア:

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