20539876096

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{419}}^1\times {\mathrm{3613}}^1$

素因数の和:4101

約数の個数: 72

約数和(自身を含む): 41884380720

約数和(自身を除く): 21344504624

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 419, 424, 838, 848, 1676, 1696, 3352, 3392, 3613, 6704, 6784, 7226, 13408, 13568, 14452, 22207, 26816, 28904, 44414, 53632, 57808, 88828, 107264, 115616, 177656, 191489, 231232, 355312, 382978, 462464, 710624, 765956, 924928, 1421248, 1513847, 1531912, 2842496, 3027694, 3063824, 5684992, 6055388, 6127648, 12110776, 12255296, 24221552, 24510592, 48443104, 49021184, 80233891, 96886208, 160467782, 193772416, 320935564, 387544832, 641871128, 1283742256, 2567484512, 5134969024, 10269938048, 20539876096]

約数ペア:

[(1, 20539876096), (2, 10269938048), (4, 5134969024), (8, 2567484512), (16, 1283742256), (32, 641871128), (53, 387544832), (64, 320935564), (106, 193772416), (128, 160467782), (212, 96886208), (256, 80233891), (419, 49021184), (424, 48443104), (838, 24510592), (848, 24221552), (1676, 12255296), (1696, 12110776), (3352, 6127648), (3392, 6055388), (3613, 5684992), (6704, 3063824), (6784, 3027694), (7226, 2842496), (13408, 1531912), (13568, 1513847), (14452, 1421248), (22207, 924928), (26816, 765956), (28904, 710624), (44414, 462464), (53632, 382978), (57808, 355312), (88828, 231232), (107264, 191489), (115616, 177656)]