20237547064

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1\times {\mathrm{16937}}^1$

素因数の和:18092

約数の個数: 64

約数和(自身を含む): 45691948800

約数和(自身を除く): 25454401736

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 1123, 2246, 4492, 7861, 8984, 15722, 16937, 21337, 31444, 33874, 42674, 62888, 67748, 85348, 118559, 135496, 149359, 170696, 237118, 298718, 321803, 474236, 597436, 643606, 948472, 1194872, 1287212, 2252621, 2574424, 4505242, 9010484, 18020968, 19020251, 38040502, 76081004, 133141757, 152162008, 266283514, 361384769, 532567028, 722769538, 1065134056, 1445539076, 2529693383, 2891078152, 5059386766, 10118773532, 20237547064]

約数ペア:

[(1, 20237547064), (2, 10118773532), (4, 5059386766), (7, 2891078152), (8, 2529693383), (14, 1445539076), (19, 1065134056), (28, 722769538), (38, 532567028), (56, 361384769), (76, 266283514), (133, 152162008), (152, 133141757), (266, 76081004), (532, 38040502), (1064, 19020251), (1123, 18020968), (2246, 9010484), (4492, 4505242), (7861, 2574424), (8984, 2252621), (15722, 1287212), (16937, 1194872), (21337, 948472), (31444, 643606), (33874, 597436), (42674, 474236), (62888, 321803), (67748, 298718), (85348, 237118), (118559, 170696), (135496, 149359)]