20223392

素因数分解:

$2^5\times 7^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 45904320

約数和(自身を除く): 25680928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 137, 224, 274, 548, 659, 959, 1096, 1318, 1918, 2192, 2636, 3836, 4384, 4613, 5272, 7672, 9226, 10544, 15344, 18452, 21088, 30688, 36904, 73808, 90283, 147616, 180566, 361132, 631981, 722264, 1263962, 1444528, 2527924, 2889056, 5055848, 10111696, 20223392]

約数ペア:

[(1, 20223392), (2, 10111696), (4, 5055848), (7, 2889056), (8, 2527924), (14, 1444528), (16, 1263962), (28, 722264), (32, 631981), (56, 361132), (112, 180566), (137, 147616), (224, 90283), (274, 73808), (548, 36904), (659, 30688), (959, 21088), (1096, 18452), (1318, 15344), (1918, 10544), (2192, 9226), (2636, 7672), (3836, 5272), (4384, 4613)]