20313594

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{613}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 50573952

約数和(自身を除く): 30260358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 263, 526, 613, 789, 1226, 1578, 1839, 1841, 2367, 3678, 3682, 4291, 4734, 5517, 5523, 8582, 11034, 11046, 12873, 16569, 25746, 33138, 38619, 77238, 161219, 322438, 483657, 967314, 1128533, 1450971, 2257066, 2901942, 3385599, 6771198, 10156797, 20313594]

約数ペア:

[(1, 20313594), (2, 10156797), (3, 6771198), (6, 3385599), (7, 2901942), (9, 2257066), (14, 1450971), (18, 1128533), (21, 967314), (42, 483657), (63, 322438), (126, 161219), (263, 77238), (526, 38619), (613, 33138), (789, 25746), (1226, 16569), (1578, 12873), (1839, 11046), (1841, 11034), (2367, 8582), (3678, 5523), (3682, 5517), (4291, 4734)]