20104687540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1\times {\mathrm{6143}}^1$

素因数の和:6497

約数の個数: 96

約数和(自身を含む): 48958930944

約数和(自身を除く): 28854243404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 241, 388, 482, 485, 679, 964, 970, 1205, 1358, 1687, 1940, 2410, 2716, 3374, 3395, 4820, 6143, 6748, 6790, 8435, 12286, 13580, 16870, 23377, 24572, 30715, 33740, 43001, 46754, 61430, 86002, 93508, 116885, 122860, 163639, 172004, 215005, 233770, 327278, 430010, 467540, 595871, 654556, 818195, 860020, 1191742, 1480463, 1636390, 2383484, 2960926, 2979355, 3272780, 4171097, 5921852, 5958710, 7402315, 8342194, 10363241, 11917420, 14804630, 16684388, 20726482, 20855485, 29609260, 41452964, 41710970, 51816205, 83421940, 103632410, 143604911, 207264820, 287209822, 574419644, 718024555, 1005234377, 1436049110, 2010468754, 2872098220, 4020937508, 5026171885, 10052343770, 20104687540]

約数ペア:

[(1, 20104687540), (2, 10052343770), (4, 5026171885), (5, 4020937508), (7, 2872098220), (10, 2010468754), (14, 1436049110), (20, 1005234377), (28, 718024555), (35, 574419644), (70, 287209822), (97, 207264820), (140, 143604911), (194, 103632410), (241, 83421940), (388, 51816205), (482, 41710970), (485, 41452964), (679, 29609260), (964, 20855485), (970, 20726482), (1205, 16684388), (1358, 14804630), (1687, 11917420), (1940, 10363241), (2410, 8342194), (2716, 7402315), (3374, 5958710), (3395, 5921852), (4820, 4171097), (6143, 3272780), (6748, 2979355), (6790, 2960926), (8435, 2383484), (12286, 1636390), (13580, 1480463), (16870, 1191742), (23377, 860020), (24572, 818195), (30715, 654556), (33740, 595871), (43001, 467540), (46754, 430010), (61430, 327278), (86002, 233770), (93508, 215005), (116885, 172004), (122860, 163639)]