20883616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2953}}^1$

素因数の和:2993

約数の個数: 48

約数和(自身を含む): 46897704

約数和(自身を除く): 26014088

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2953, 3536, 5906, 7072, 11812, 23624, 38389, 47248, 50201, 76778, 94496, 100402, 153556, 200804, 307112, 401608, 614224, 652613, 803216, 1228448, 1305226, 1606432, 2610452, 5220904, 10441808, 20883616]

約数ペア:

[(1, 20883616), (2, 10441808), (4, 5220904), (8, 2610452), (13, 1606432), (16, 1305226), (17, 1228448), (26, 803216), (32, 652613), (34, 614224), (52, 401608), (68, 307112), (104, 200804), (136, 153556), (208, 100402), (221, 94496), (272, 76778), (416, 50201), (442, 47248), (544, 38389), (884, 23624), (1768, 11812), (2953, 7072), (3536, 5906)]