20102838

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:797

約数の個数: 48

約数和(自身を含む): 47302704

約数和(自身を除く): 27199866

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 101, 147, 202, 294, 303, 606, 677, 707, 1354, 1414, 2031, 2121, 4062, 4242, 4739, 4949, 9478, 9898, 14217, 14847, 28434, 29694, 33173, 66346, 68377, 99519, 136754, 199038, 205131, 410262, 478639, 957278, 1435917, 2871834, 3350473, 6700946, 10051419, 20102838]

約数ペア:

[(1, 20102838), (2, 10051419), (3, 6700946), (6, 3350473), (7, 2871834), (14, 1435917), (21, 957278), (42, 478639), (49, 410262), (98, 205131), (101, 199038), (147, 136754), (202, 99519), (294, 68377), (303, 66346), (606, 33173), (677, 29694), (707, 28434), (1354, 14847), (1414, 14217), (2031, 9898), (2121, 9478), (4062, 4949), (4242, 4739)]