20769376

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 43971984

約数和(自身を除く): 23202608

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 73, 136, 146, 272, 292, 523, 544, 584, 1046, 1168, 1241, 2092, 2336, 2482, 4184, 4964, 8368, 8891, 9928, 16736, 17782, 19856, 35564, 38179, 39712, 71128, 76358, 142256, 152716, 284512, 305432, 610864, 649043, 1221728, 1298086, 2596172, 5192344, 10384688, 20769376]

約数ペア:

[(1, 20769376), (2, 10384688), (4, 5192344), (8, 2596172), (16, 1298086), (17, 1221728), (32, 649043), (34, 610864), (68, 305432), (73, 284512), (136, 152716), (146, 142256), (272, 76358), (292, 71128), (523, 39712), (544, 38179), (584, 35564), (1046, 19856), (1168, 17782), (1241, 16736), (2092, 9928), (2336, 8891), (2482, 8368), (4184, 4964)]