20225792

素因数分解:

$2^8\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 54

約数和(自身を含む): 42261744

約数和(自身を除く): 22035952

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 64, 82, 94, 128, 164, 188, 256, 328, 376, 656, 752, 1312, 1504, 1681, 1927, 2624, 3008, 3362, 3854, 5248, 6016, 6724, 7708, 10496, 12032, 13448, 15416, 26896, 30832, 53792, 61664, 79007, 107584, 123328, 158014, 215168, 246656, 316028, 430336, 493312, 632056, 1264112, 2528224, 5056448, 10112896, 20225792]

約数ペア:

[(1, 20225792), (2, 10112896), (4, 5056448), (8, 2528224), (16, 1264112), (32, 632056), (41, 493312), (47, 430336), (64, 316028), (82, 246656), (94, 215168), (128, 158014), (164, 123328), (188, 107584), (256, 79007), (328, 61664), (376, 53792), (656, 30832), (752, 26896), (1312, 15416), (1504, 13448), (1681, 12032), (1927, 10496), (2624, 7708), (3008, 6724), (3362, 6016), (3854, 5248)]