20216600

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{373}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 47303520

約数和(自身を除く): 27086920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 373, 542, 746, 1084, 1355, 1492, 1865, 2168, 2710, 2984, 3730, 5420, 6775, 7460, 9325, 10840, 13550, 14920, 18650, 27100, 37300, 54200, 74600, 101083, 202166, 404332, 505415, 808664, 1010830, 2021660, 2527075, 4043320, 5054150, 10108300, 20216600]

約数ペア:

[(1, 20216600), (2, 10108300), (4, 5054150), (5, 4043320), (8, 2527075), (10, 2021660), (20, 1010830), (25, 808664), (40, 505415), (50, 404332), (100, 202166), (200, 101083), (271, 74600), (373, 54200), (542, 37300), (746, 27100), (1084, 18650), (1355, 14920), (1492, 13550), (1865, 10840), (2168, 9325), (2710, 7460), (2984, 6775), (3730, 5420)]