20772870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16103}}^1$

素因数の和:16156

約数の個数: 32

約数和(自身を含む): 51017472

約数和(自身を除く): 30244602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16103, 32206, 48309, 80515, 96618, 161030, 241545, 483090, 692429, 1384858, 2077287, 3462145, 4154574, 6924290, 10386435, 20772870]

約数ペア:

[(1, 20772870), (2, 10386435), (3, 6924290), (5, 4154574), (6, 3462145), (10, 2077287), (15, 1384858), (30, 692429), (43, 483090), (86, 241545), (129, 161030), (215, 96618), (258, 80515), (430, 48309), (645, 32206), (1290, 16103)]