20507466

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 28740534

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 113, 149, 174, 203, 226, 298, 339, 406, 447, 609, 678, 791, 894, 1043, 1218, 1582, 2086, 2373, 3129, 3277, 4321, 4746, 6258, 6554, 8642, 9831, 12963, 16837, 19662, 22939, 25926, 30247, 33674, 45878, 50511, 60494, 68817, 90741, 101022, 117859, 137634, 181482, 235718, 353577, 488273, 707154, 976546, 1464819, 2929638, 3417911, 6835822, 10253733, 20507466]

約数ペア:

[(1, 20507466), (2, 10253733), (3, 6835822), (6, 3417911), (7, 2929638), (14, 1464819), (21, 976546), (29, 707154), (42, 488273), (58, 353577), (87, 235718), (113, 181482), (149, 137634), (174, 117859), (203, 101022), (226, 90741), (298, 68817), (339, 60494), (406, 50511), (447, 45878), (609, 33674), (678, 30247), (791, 25926), (894, 22939), (1043, 19662), (1218, 16837), (1582, 12963), (2086, 9831), (2373, 8642), (3129, 6554), (3277, 6258), (4321, 4746)]