20165080570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{201389}}^1$

素因数の和:201463

約数の個数: 64

約数和(自身を含む): 41760230400

約数和(自身を除く): 21595149830

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 190, 310, 323, 527, 589, 646, 1054, 1178, 1615, 2635, 2945, 3230, 5270, 5890, 10013, 20026, 50065, 100130, 201389, 402778, 1006945, 2013890, 3423613, 3826391, 6243059, 6847226, 7652782, 12486118, 17118065, 19131955, 31215295, 34236130, 38263910, 62430590, 65048647, 106132003, 118618121, 130097294, 212264006, 237236242, 325243235, 530660015, 593090605, 650486470, 1061320030, 1186181210, 2016508057, 4033016114, 10082540285, 20165080570]

約数ペア:

[(1, 20165080570), (2, 10082540285), (5, 4033016114), (10, 2016508057), (17, 1186181210), (19, 1061320030), (31, 650486470), (34, 593090605), (38, 530660015), (62, 325243235), (85, 237236242), (95, 212264006), (155, 130097294), (170, 118618121), (190, 106132003), (310, 65048647), (323, 62430590), (527, 38263910), (589, 34236130), (646, 31215295), (1054, 19131955), (1178, 17118065), (1615, 12486118), (2635, 7652782), (2945, 6847226), (3230, 6243059), (5270, 3826391), (5890, 3423613), (10013, 2013890), (20026, 1006945), (50065, 402778), (100130, 201389)]