20189562350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{70853}}^1$

素因数の和:71045

約数の個数: 48

約数和(自身を含む): 38745801360

約数和(自身を除く): 18556239010

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 139, 205, 278, 410, 695, 1025, 1390, 2050, 3475, 5699, 6950, 11398, 28495, 56990, 70853, 141706, 142475, 284950, 354265, 708530, 1771325, 2904973, 3542650, 5809946, 9848567, 14524865, 19697134, 29049730, 49242835, 72624325, 98485670, 145248650, 246214175, 403791247, 492428350, 807582494, 2018956235, 4037912470, 10094781175, 20189562350]

約数ペア:

[(1, 20189562350), (2, 10094781175), (5, 4037912470), (10, 2018956235), (25, 807582494), (41, 492428350), (50, 403791247), (82, 246214175), (139, 145248650), (205, 98485670), (278, 72624325), (410, 49242835), (695, 29049730), (1025, 19697134), (1390, 14524865), (2050, 9848567), (3475, 5809946), (5699, 3542650), (6950, 2904973), (11398, 1771325), (28495, 708530), (56990, 354265), (70853, 284950), (141706, 142475)]