20905332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1303}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 56082432

約数和(自身を除く): 35177100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 191, 382, 573, 764, 1146, 1303, 1337, 2292, 2606, 2674, 3909, 4011, 5212, 5348, 7818, 8022, 9121, 15636, 16044, 18242, 27363, 36484, 54726, 109452, 248873, 497746, 746619, 995492, 1493238, 1742111, 2986476, 3484222, 5226333, 6968444, 10452666, 20905332]

約数ペア:

[(1, 20905332), (2, 10452666), (3, 6968444), (4, 5226333), (6, 3484222), (7, 2986476), (12, 1742111), (14, 1493238), (21, 995492), (28, 746619), (42, 497746), (84, 248873), (191, 109452), (382, 54726), (573, 36484), (764, 27363), (1146, 18242), (1303, 16044), (1337, 15636), (2292, 9121), (2606, 8022), (2674, 7818), (3909, 5348), (4011, 5212)]