20189623900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{53653}}^1$

素因数の和:53791

約数の個数: 72

約数和(自身を含む): 45267665184

約数和(自身を除く): 25078041284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 71, 100, 106, 142, 212, 265, 284, 355, 530, 710, 1060, 1325, 1420, 1775, 2650, 3550, 3763, 5300, 7100, 7526, 15052, 18815, 37630, 53653, 75260, 94075, 107306, 188150, 214612, 268265, 376300, 536530, 1073060, 1341325, 2682650, 2843609, 3809363, 5365300, 5687218, 7618726, 11374436, 14218045, 15237452, 19046815, 28436090, 38093630, 56872180, 71090225, 76187260, 95234075, 142180450, 190468150, 201896239, 284360900, 380936300, 403792478, 807584956, 1009481195, 2018962390, 4037924780, 5047405975, 10094811950, 20189623900]

約数ペア:

[(1, 20189623900), (2, 10094811950), (4, 5047405975), (5, 4037924780), (10, 2018962390), (20, 1009481195), (25, 807584956), (50, 403792478), (53, 380936300), (71, 284360900), (100, 201896239), (106, 190468150), (142, 142180450), (212, 95234075), (265, 76187260), (284, 71090225), (355, 56872180), (530, 38093630), (710, 28436090), (1060, 19046815), (1325, 15237452), (1420, 14218045), (1775, 11374436), (2650, 7618726), (3550, 5687218), (3763, 5365300), (5300, 3809363), (7100, 2843609), (7526, 2682650), (15052, 1341325), (18815, 1073060), (37630, 536530), (53653, 376300), (75260, 268265), (94075, 214612), (107306, 188150)]