20189403654

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{707953}}^1$

素因数の和:708069

約数の個数: 48

約数和(自身を含む): 47455572528

約数和(自身を除く): 27266168874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 97, 98, 147, 194, 291, 294, 582, 679, 1358, 2037, 4074, 4753, 9506, 14259, 28518, 707953, 1415906, 2123859, 4247718, 4955671, 9911342, 14867013, 29734026, 34689697, 68671441, 69379394, 104069091, 137342882, 206014323, 208138182, 412028646, 480700087, 961400174, 1442100261, 2884200522, 3364900609, 6729801218, 10094701827, 20189403654]

約数ペア:

[(1, 20189403654), (2, 10094701827), (3, 6729801218), (6, 3364900609), (7, 2884200522), (14, 1442100261), (21, 961400174), (42, 480700087), (49, 412028646), (97, 208138182), (98, 206014323), (147, 137342882), (194, 104069091), (291, 69379394), (294, 68671441), (582, 34689697), (679, 29734026), (1358, 14867013), (2037, 9911342), (4074, 4955671), (4753, 4247718), (9506, 2123859), (14259, 1415906), (28518, 707953)]