20131095

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 35038080

約数和(自身を除く): 14906985

約数列:

[1, 3, 5, 15, 23, 43, 59, 69, 115, 129, 177, 215, 295, 345, 529, 645, 885, 989, 1357, 1587, 2537, 2645, 2967, 4071, 4945, 6785, 7611, 7935, 12685, 14835, 20355, 22747, 31211, 38055, 58351, 68241, 93633, 113735, 156055, 175053, 291755, 341205, 468165, 875265, 1342073, 4026219, 6710365, 20131095]

約数ペア:

[(1, 20131095), (3, 6710365), (5, 4026219), (15, 1342073), (23, 875265), (43, 468165), (59, 341205), (69, 291755), (115, 175053), (129, 156055), (177, 113735), (215, 93633), (295, 68241), (345, 58351), (529, 38055), (645, 31211), (885, 22747), (989, 20355), (1357, 14835), (1587, 12685), (2537, 7935), (2645, 7611), (2967, 6785), (4071, 4945)]