20994956

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{751}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 38216640

約数和(自身を除く): 17221684

約数列:

[1, 2, 4, 29, 58, 116, 241, 482, 751, 964, 1502, 3004, 6989, 13978, 21779, 27956, 43558, 87116, 180991, 361982, 723964, 5248739, 10497478, 20994956]

約数ペア:

[(1, 20994956), (2, 10497478), (4, 5248739), (29, 723964), (58, 361982), (116, 180991), (241, 87116), (482, 43558), (751, 27956), (964, 21779), (1502, 13978), (3004, 6989)]