20232979988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{16633}}^1$

素因数の和:16956

約数の個数: 48

約数和(自身を含む): 38634128400

約数和(自身を除く): 18401148412

約数列:

[1, 2, 4, 13, 26, 52, 149, 157, 298, 314, 596, 628, 1937, 2041, 3874, 4082, 7748, 8164, 16633, 23393, 33266, 46786, 66532, 93572, 216229, 304109, 432458, 608218, 864916, 1216436, 2478317, 2611381, 4956634, 5222762, 9913268, 10445524, 32218121, 33947953, 64436242, 67895906, 128872484, 135791812, 389095769, 778191538, 1556383076, 5058244997, 10116489994, 20232979988]

約数ペア:

[(1, 20232979988), (2, 10116489994), (4, 5058244997), (13, 1556383076), (26, 778191538), (52, 389095769), (149, 135791812), (157, 128872484), (298, 67895906), (314, 64436242), (596, 33947953), (628, 32218121), (1937, 10445524), (2041, 9913268), (3874, 5222762), (4082, 4956634), (7748, 2611381), (8164, 2478317), (16633, 1216436), (23393, 864916), (33266, 608218), (46786, 432458), (66532, 304109), (93572, 216229)]