20199468107

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{4817}}^1$

素因数の和:5100

約数の個数: 48

約数和(自身を含む): 26298185760

約数和(自身を除く): 6098717653

約数列:

[1, 7, 13, 29, 49, 91, 203, 227, 377, 637, 1421, 1589, 2639, 2951, 4817, 6583, 11123, 18473, 20657, 33719, 46081, 62621, 85579, 139693, 144599, 236033, 322567, 438347, 599053, 977851, 1093459, 1816009, 3068429, 4193371, 6844957, 7654213, 12712063, 14214967, 31710311, 53579491, 88984441, 99504769, 221972177, 412234043, 696533383, 1553805239, 2885638301, 20199468107]

約数ペア:

[(1, 20199468107), (7, 2885638301), (13, 1553805239), (29, 696533383), (49, 412234043), (91, 221972177), (203, 99504769), (227, 88984441), (377, 53579491), (637, 31710311), (1421, 14214967), (1589, 12712063), (2639, 7654213), (2951, 6844957), (4817, 4193371), (6583, 3068429), (11123, 1816009), (18473, 1093459), (20657, 977851), (33719, 599053), (46081, 438347), (62621, 322567), (85579, 236033), (139693, 144599)]