20854016

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:151

約数の個数: 54

約数和(自身を含む): 43889790

約数和(自身を除く): 23035774

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 64, 106, 116, 128, 212, 232, 256, 424, 464, 848, 928, 1537, 1696, 1856, 2809, 3074, 3392, 3712, 5618, 6148, 6784, 7424, 11236, 12296, 13568, 22472, 24592, 44944, 49184, 81461, 89888, 98368, 162922, 179776, 196736, 325844, 359552, 393472, 651688, 719104, 1303376, 2606752, 5213504, 10427008, 20854016]

約数ペア:

[(1, 20854016), (2, 10427008), (4, 5213504), (8, 2606752), (16, 1303376), (29, 719104), (32, 651688), (53, 393472), (58, 359552), (64, 325844), (106, 196736), (116, 179776), (128, 162922), (212, 98368), (232, 89888), (256, 81461), (424, 49184), (464, 44944), (848, 24592), (928, 22472), (1537, 13568), (1696, 12296), (1856, 11236), (2809, 7424), (3074, 6784), (3392, 6148), (3712, 5618)]