20402202

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 41684544

約数和(自身を除く): 21282342

約数列:

[1, 2, 3, 6, 101, 131, 202, 257, 262, 303, 393, 514, 606, 771, 786, 1542, 13231, 25957, 26462, 33667, 39693, 51914, 67334, 77871, 79386, 101001, 155742, 202002, 3400367, 6800734, 10201101, 20402202]

約数ペア:

[(1, 20402202), (2, 10201101), (3, 6800734), (6, 3400367), (101, 202002), (131, 155742), (202, 101001), (257, 79386), (262, 77871), (303, 67334), (393, 51914), (514, 39693), (606, 33667), (771, 26462), (786, 25957), (1542, 13231)]