20244784

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 48568320

約数和(自身を除く): 28323536

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 46, 56, 58, 92, 112, 116, 161, 184, 203, 232, 271, 322, 368, 406, 464, 542, 644, 667, 812, 1084, 1288, 1334, 1624, 1897, 2168, 2576, 2668, 3248, 3794, 4336, 4669, 5336, 6233, 7588, 7859, 9338, 10672, 12466, 15176, 15718, 18676, 24932, 30352, 31436, 37352, 43631, 49864, 55013, 62872, 74704, 87262, 99728, 110026, 125744, 174524, 180757, 220052, 349048, 361514, 440104, 698096, 723028, 880208, 1265299, 1446056, 2530598, 2892112, 5061196, 10122392, 20244784]

約数ペア:

[(1, 20244784), (2, 10122392), (4, 5061196), (7, 2892112), (8, 2530598), (14, 1446056), (16, 1265299), (23, 880208), (28, 723028), (29, 698096), (46, 440104), (56, 361514), (58, 349048), (92, 220052), (112, 180757), (116, 174524), (161, 125744), (184, 110026), (203, 99728), (232, 87262), (271, 74704), (322, 62872), (368, 55013), (406, 49864), (464, 43631), (542, 37352), (644, 31436), (667, 30352), (812, 24932), (1084, 18676), (1288, 15718), (1334, 15176), (1624, 12466), (1897, 10672), (2168, 9338), (2576, 7859), (2668, 7588), (3248, 6233), (3794, 5336), (4336, 4669)]