20167977999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1705

約数の個数: 64

約数和(自身を含む): 31247838720

約数和(自身を除く): 11079860721

約数列:

[1, 3, 13, 17, 39, 51, 67, 201, 221, 289, 663, 867, 871, 1139, 1571, 2613, 3417, 3757, 4713, 4913, 11271, 14739, 14807, 19363, 20423, 26707, 44421, 58089, 61269, 63869, 80121, 105257, 191607, 251719, 315771, 329171, 347191, 454019, 755157, 987513, 1041573, 1362057, 1368341, 1789369, 4105023, 4279223, 5368107, 5902247, 7718323, 12837669, 17706741, 23154969, 23261797, 30419273, 69785391, 91257819, 100338199, 301014597, 395450549, 517127641, 1186351647, 1551382923, 6722659333, 20167977999]

約数ペア:

[(1, 20167977999), (3, 6722659333), (13, 1551382923), (17, 1186351647), (39, 517127641), (51, 395450549), (67, 301014597), (201, 100338199), (221, 91257819), (289, 69785391), (663, 30419273), (867, 23261797), (871, 23154969), (1139, 17706741), (1571, 12837669), (2613, 7718323), (3417, 5902247), (3757, 5368107), (4713, 4279223), (4913, 4105023), (11271, 1789369), (14739, 1368341), (14807, 1362057), (19363, 1041573), (20423, 987513), (26707, 755157), (44421, 454019), (58089, 347191), (61269, 329171), (63869, 315771), (80121, 251719), (105257, 191607)]