20175076318

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{823}}^1\times {\mathrm{1787}}^1$

素因数の和:2669

約数の個数: 32

約数和(自身を含む): 32000336640

約数和(自身を除く): 11825260322

約数列:

[1, 2, 19, 38, 361, 722, 823, 1646, 1787, 3574, 6859, 13718, 15637, 31274, 33953, 67906, 297103, 594206, 645107, 1290214, 1470701, 2941402, 5644957, 11289914, 12257033, 24514066, 27943319, 55886638, 530923061, 1061846122, 10087538159, 20175076318]

約数ペア:

[(1, 20175076318), (2, 10087538159), (19, 1061846122), (38, 530923061), (361, 55886638), (722, 27943319), (823, 24514066), (1646, 12257033), (1787, 11289914), (3574, 5644957), (6859, 2941402), (13718, 1470701), (15637, 1290214), (31274, 645107), (33953, 594206), (67906, 297103)]