20219254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 35665920

約数和(自身を除く): 15446666

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 253, 341, 506, 682, 713, 1289, 1426, 2578, 7843, 14179, 15686, 28358, 29647, 39959, 59294, 79918, 326117, 439549, 652234, 879098, 919057, 1838114, 10109627, 20219254]

約数ペア:

[(1, 20219254), (2, 10109627), (11, 1838114), (22, 919057), (23, 879098), (31, 652234), (46, 439549), (62, 326117), (253, 79918), (341, 59294), (506, 39959), (682, 29647), (713, 28358), (1289, 15686), (1426, 14179), (2578, 7843)]