20962882

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13251518

約数列:

[1, 2, 29, 31, 58, 62, 89, 131, 178, 262, 899, 1798, 2581, 2759, 3799, 4061, 5162, 5518, 7598, 8122, 11659, 23318, 80011, 117769, 160022, 235538, 338111, 361429, 676222, 722858, 10481441, 20962882]

約数ペア:

[(1, 20962882), (2, 10481441), (29, 722858), (31, 676222), (58, 361429), (62, 338111), (89, 235538), (131, 160022), (178, 117769), (262, 80011), (899, 23318), (1798, 11659), (2581, 8122), (2759, 7598), (3799, 5518), (4061, 5162)]