20120406

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 41430528

約数和(自身を除く): 21310122

約数列:

[1, 2, 3, 6, 71, 73, 142, 146, 213, 219, 426, 438, 647, 1294, 1941, 3882, 5183, 10366, 15549, 31098, 45937, 47231, 91874, 94462, 137811, 141693, 275622, 283386, 3353401, 6706802, 10060203, 20120406]

約数ペア:

[(1, 20120406), (2, 10060203), (3, 6706802), (6, 3353401), (71, 283386), (73, 275622), (142, 141693), (146, 137811), (213, 94462), (219, 91874), (426, 47231), (438, 45937), (647, 31098), (1294, 15549), (1941, 10366), (3882, 5183)]