20400324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1151}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 54706176

約数和(自身を除く): 34305852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 211, 422, 633, 844, 1151, 1266, 1477, 2302, 2532, 2954, 3453, 4431, 4604, 5908, 6906, 8057, 8862, 13812, 16114, 17724, 24171, 32228, 48342, 96684, 242861, 485722, 728583, 971444, 1457166, 1700027, 2914332, 3400054, 5100081, 6800108, 10200162, 20400324]

約数ペア:

[(1, 20400324), (2, 10200162), (3, 6800108), (4, 5100081), (6, 3400054), (7, 2914332), (12, 1700027), (14, 1457166), (21, 971444), (28, 728583), (42, 485722), (84, 242861), (211, 96684), (422, 48342), (633, 32228), (844, 24171), (1151, 17724), (1266, 16114), (1477, 13812), (2302, 8862), (2532, 8057), (2954, 6906), (3453, 5908), (4431, 4604)]