20341792

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:701

約数の個数: 48

約数和(自身を含む): 43169112

約数和(自身を除く): 22827320

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 613, 976, 1037, 1226, 1952, 2074, 2452, 4148, 4904, 8296, 9808, 10421, 16592, 19616, 20842, 33184, 37393, 41684, 74786, 83368, 149572, 166736, 299144, 333472, 598288, 635681, 1196576, 1271362, 2542724, 5085448, 10170896, 20341792]

約数ペア:

[(1, 20341792), (2, 10170896), (4, 5085448), (8, 2542724), (16, 1271362), (17, 1196576), (32, 635681), (34, 598288), (61, 333472), (68, 299144), (122, 166736), (136, 149572), (244, 83368), (272, 74786), (488, 41684), (544, 37393), (613, 33184), (976, 20842), (1037, 19616), (1226, 16592), (1952, 10421), (2074, 9808), (2452, 8296), (4148, 4904)]