20131718740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1\times {\mathrm{1879}}^1$

素因数の和:2741

約数の個数: 96

約数和(自身を含む): 48876871680

約数和(自身を除く): 28745152940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 743, 1030, 1442, 1486, 1879, 2060, 2884, 2972, 3605, 3715, 3758, 5201, 7210, 7430, 7516, 9395, 10402, 13153, 14420, 14860, 18790, 20804, 26005, 26306, 37580, 52010, 52612, 65765, 76529, 104020, 131530, 153058, 193537, 263060, 306116, 382645, 387074, 535703, 765290, 774148, 967685, 1071406, 1354759, 1396097, 1530580, 1935370, 2142812, 2678515, 2709518, 2792194, 3870740, 5357030, 5419036, 5584388, 6773795, 6980485, 9772679, 10714060, 13547590, 13960970, 19545358, 27095180, 27921940, 39090716, 48863395, 97726790, 143797991, 195453580, 287595982, 575191964, 718989955, 1006585937, 1437979910, 2013171874, 2875959820, 4026343748, 5032929685, 10065859370, 20131718740]

約数ペア:

[(1, 20131718740), (2, 10065859370), (4, 5032929685), (5, 4026343748), (7, 2875959820), (10, 2013171874), (14, 1437979910), (20, 1006585937), (28, 718989955), (35, 575191964), (70, 287595982), (103, 195453580), (140, 143797991), (206, 97726790), (412, 48863395), (515, 39090716), (721, 27921940), (743, 27095180), (1030, 19545358), (1442, 13960970), (1486, 13547590), (1879, 10714060), (2060, 9772679), (2884, 6980485), (2972, 6773795), (3605, 5584388), (3715, 5419036), (3758, 5357030), (5201, 3870740), (7210, 2792194), (7430, 2709518), (7516, 2678515), (9395, 2142812), (10402, 1935370), (13153, 1530580), (14420, 1396097), (14860, 1354759), (18790, 1071406), (20804, 967685), (26005, 774148), (26306, 765290), (37580, 535703), (52010, 387074), (52612, 382645), (65765, 306116), (76529, 263060), (104020, 193537), (131530, 153058)]