20118576

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 54684000

約数和(自身を除く): 34565424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 97, 116, 149, 174, 194, 232, 291, 298, 348, 388, 447, 464, 582, 596, 696, 776, 894, 1164, 1192, 1392, 1552, 1788, 2328, 2384, 2813, 3576, 4321, 4656, 5626, 7152, 8439, 8642, 11252, 12963, 14453, 16878, 17284, 22504, 25926, 28906, 33756, 34568, 43359, 45008, 51852, 57812, 67512, 69136, 86718, 103704, 115624, 135024, 173436, 207408, 231248, 346872, 419137, 693744, 838274, 1257411, 1676548, 2514822, 3353096, 5029644, 6706192, 10059288, 20118576]

約数ペア:

[(1, 20118576), (2, 10059288), (3, 6706192), (4, 5029644), (6, 3353096), (8, 2514822), (12, 1676548), (16, 1257411), (24, 838274), (29, 693744), (48, 419137), (58, 346872), (87, 231248), (97, 207408), (116, 173436), (149, 135024), (174, 115624), (194, 103704), (232, 86718), (291, 69136), (298, 67512), (348, 57812), (388, 51852), (447, 45008), (464, 43359), (582, 34568), (596, 33756), (696, 28906), (776, 25926), (894, 22504), (1164, 17284), (1192, 16878), (1392, 14453), (1552, 12963), (1788, 11252), (2328, 8642), (2384, 8439), (2813, 7152), (3576, 5626), (4321, 4656)]