20604304

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:704

約数の個数: 60

約数和(自身を含む): 47645388

約数和(自身を除く): 27041084

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 98, 112, 164, 196, 287, 328, 392, 574, 641, 656, 784, 1148, 1282, 2009, 2296, 2564, 4018, 4487, 4592, 5128, 8036, 8974, 10256, 16072, 17948, 26281, 31409, 32144, 35896, 52562, 62818, 71792, 105124, 125636, 183967, 210248, 251272, 367934, 420496, 502544, 735868, 1287769, 1471736, 2575538, 2943472, 5151076, 10302152, 20604304]

約数ペア:

[(1, 20604304), (2, 10302152), (4, 5151076), (7, 2943472), (8, 2575538), (14, 1471736), (16, 1287769), (28, 735868), (41, 502544), (49, 420496), (56, 367934), (82, 251272), (98, 210248), (112, 183967), (164, 125636), (196, 105124), (287, 71792), (328, 62818), (392, 52562), (574, 35896), (641, 32144), (656, 31409), (784, 26281), (1148, 17948), (1282, 16072), (2009, 10256), (2296, 8974), (2564, 8036), (4018, 5128), (4487, 4592)]