20656722

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 21644718

約数列:

[1, 2, 3, 6, 89, 101, 178, 202, 267, 303, 383, 534, 606, 766, 1149, 2298, 8989, 17978, 26967, 34087, 38683, 53934, 68174, 77366, 102261, 116049, 204522, 232098, 3442787, 6885574, 10328361, 20656722]

約数ペア:

[(1, 20656722), (2, 10328361), (3, 6885574), (6, 3442787), (89, 232098), (101, 204522), (178, 116049), (202, 102261), (267, 77366), (303, 68174), (383, 53934), (534, 38683), (606, 34087), (766, 26967), (1149, 17978), (2298, 8989)]