20888927972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1\times {\mathrm{6521}}^1$

素因数の和:8132

約数の個数: 48

約数和(自身を含む): 40759891200

約数和(自身を除く): 19870963228

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 1549, 2068, 3098, 6196, 6521, 13042, 17039, 26084, 34078, 68156, 71731, 72803, 143462, 145606, 286924, 291212, 306487, 612974, 800833, 1225948, 1601666, 3203332, 3371357, 6742714, 10101029, 13485428, 20202058, 40404116, 111111319, 222222638, 444445276, 474748363, 949496726, 1898993452, 5222231993, 10444463986, 20888927972]

約数ペア:

[(1, 20888927972), (2, 10444463986), (4, 5222231993), (11, 1898993452), (22, 949496726), (44, 474748363), (47, 444445276), (94, 222222638), (188, 111111319), (517, 40404116), (1034, 20202058), (1549, 13485428), (2068, 10101029), (3098, 6742714), (6196, 3371357), (6521, 3203332), (13042, 1601666), (17039, 1225948), (26084, 800833), (34078, 612974), (68156, 306487), (71731, 291212), (72803, 286924), (143462, 145606)]