20121529911

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{156589}}^1$

素因数の和:156839

約数の個数: 32

約数和(自身を含む): 31869196800

約数和(自身を除く): 11747666889

約数列:

[1, 3, 7, 21, 29, 87, 203, 211, 609, 633, 1477, 4431, 6119, 18357, 42833, 128499, 156589, 469767, 1096123, 3288369, 4541081, 13623243, 31787567, 33040279, 95362701, 99120837, 231281953, 693845859, 958168091, 2874504273, 6707176637, 20121529911]

約数ペア:

[(1, 20121529911), (3, 6707176637), (7, 2874504273), (21, 958168091), (29, 693845859), (87, 231281953), (203, 99120837), (211, 95362701), (609, 33040279), (633, 31787567), (1477, 13623243), (4431, 4541081), (6119, 3288369), (18357, 1096123), (42833, 469767), (128499, 156589)]