20803376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:462

約数の個数: 60

約数和(自身を含む): 46823640

約数和(自身を除く): 26020264

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 289, 374, 409, 578, 748, 818, 1156, 1496, 1636, 2312, 2992, 3179, 3272, 4499, 4624, 6358, 6544, 6953, 8998, 12716, 13906, 17996, 25432, 27812, 35992, 50864, 55624, 71984, 76483, 111248, 118201, 152966, 236402, 305932, 472804, 611864, 945608, 1223728, 1300211, 1891216, 2600422, 5200844, 10401688, 20803376]

約数ペア:

[(1, 20803376), (2, 10401688), (4, 5200844), (8, 2600422), (11, 1891216), (16, 1300211), (17, 1223728), (22, 945608), (34, 611864), (44, 472804), (68, 305932), (88, 236402), (136, 152966), (176, 118201), (187, 111248), (272, 76483), (289, 71984), (374, 55624), (409, 50864), (578, 35992), (748, 27812), (818, 25432), (1156, 17996), (1496, 13906), (1636, 12716), (2312, 8998), (2992, 6953), (3179, 6544), (3272, 6358), (4499, 4624)]