200720052020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{659}}^1\times {\mathrm{719}}^1$

素因数の和:1805

約数の個数: 96

約数和(自身を含む): 431101440000

約数和(自身を除く): 230381387980

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 359, 590, 659, 718, 719, 1180, 1318, 1436, 1438, 1795, 2636, 2876, 3295, 3590, 3595, 6590, 7180, 7190, 13180, 14380, 21181, 38881, 42362, 42421, 77762, 84724, 84842, 105905, 155524, 169684, 194405, 211810, 212105, 236581, 258121, 388810, 423620, 424210, 473162, 473821, 516242, 777620, 848420, 946324, 947642, 1032484, 1182905, 1290605, 1895284, 2365810, 2369105, 2581210, 4731620, 4738210, 5162420, 9476420, 13958279, 15229139, 27916558, 27955439, 30458278, 55833116, 55910878, 60916556, 69791395, 76145695, 111821756, 139582790, 139777195, 152291390, 170101739, 279165580, 279554390, 304582780, 340203478, 559108780, 680406956, 850508695, 1701017390, 3402034780, 10036002601, 20072005202, 40144010404, 50180013005, 100360026010, 200720052020]

約数ペア:

[(1, 200720052020), (2, 100360026010), (4, 50180013005), (5, 40144010404), (10, 20072005202), (20, 10036002601), (59, 3402034780), (118, 1701017390), (236, 850508695), (295, 680406956), (359, 559108780), (590, 340203478), (659, 304582780), (718, 279554390), (719, 279165580), (1180, 170101739), (1318, 152291390), (1436, 139777195), (1438, 139582790), (1795, 111821756), (2636, 76145695), (2876, 69791395), (3295, 60916556), (3590, 55910878), (3595, 55833116), (6590, 30458278), (7180, 27955439), (7190, 27916558), (13180, 15229139), (14380, 13958279), (21181, 9476420), (38881, 5162420), (42362, 4738210), (42421, 4731620), (77762, 2581210), (84724, 2369105), (84842, 2365810), (105905, 1895284), (155524, 1290605), (169684, 1182905), (194405, 1032484), (211810, 947642), (212105, 946324), (236581, 848420), (258121, 777620), (388810, 516242), (423620, 473821), (424210, 473162)]