20216353482

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{205213}}^1$

素因数の和:205655

約数の個数: 48

約数和(自身を含む): 47283768168

約数和(自身を除く): 27067414686

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 421, 842, 1263, 2526, 3789, 5473, 7578, 10946, 16419, 32838, 49257, 98514, 205213, 410426, 615639, 1231278, 1846917, 2667769, 3693834, 5335538, 8003307, 16006614, 24009921, 48019842, 86394673, 172789346, 259184019, 518368038, 777552057, 1123130749, 1555104114, 2246261498, 3369392247, 6738784494, 10108176741, 20216353482]

約数ペア:

[(1, 20216353482), (2, 10108176741), (3, 6738784494), (6, 3369392247), (9, 2246261498), (13, 1555104114), (18, 1123130749), (26, 777552057), (39, 518368038), (78, 259184019), (117, 172789346), (234, 86394673), (421, 48019842), (842, 24009921), (1263, 16006614), (2526, 8003307), (3789, 5335538), (5473, 3693834), (7578, 2667769), (10946, 1846917), (16419, 1231278), (32838, 615639), (49257, 410426), (98514, 205213)]