20973112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4507

約数の個数: 32

約数和(自身を含む): 42739200

約数和(自身を除く): 21766088

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4451, 4712, 8902, 17804, 35608, 84569, 137981, 169138, 275962, 338276, 551924, 676552, 1103848, 2621639, 5243278, 10486556, 20973112]

約数ペア:

[(1, 20973112), (2, 10486556), (4, 5243278), (8, 2621639), (19, 1103848), (31, 676552), (38, 551924), (62, 338276), (76, 275962), (124, 169138), (152, 137981), (248, 84569), (589, 35608), (1178, 17804), (2356, 8902), (4451, 4712)]