20180778071

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 21821184000

約数和(自身を除く): 1640405929

約数列:

[1, 29, 31, 131, 349, 491, 899, 3799, 4061, 10121, 10819, 14239, 15221, 45719, 64321, 117769, 171359, 313751, 441409, 1325851, 1417289, 1865309, 1993951, 4969411, 5312129, 22448029, 41101381, 57824579, 154051741, 650992841, 695888899, 20180778071]

約数ペア:

[(1, 20180778071), (29, 695888899), (31, 650992841), (131, 154051741), (349, 57824579), (491, 41101381), (899, 22448029), (3799, 5312129), (4061, 4969411), (10121, 1993951), (10819, 1865309), (14239, 1417289), (15221, 1325851), (45719, 441409), (64321, 313751), (117769, 171359)]