20956818

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8933}}^1$

素因数の和:8978

約数の個数: 32

約数和(自身を含む): 46313856

約数和(自身を除く): 25357038

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 8933, 17866, 26799, 53598, 151861, 205459, 303722, 410918, 455583, 616377, 911166, 1232754, 3492803, 6985606, 10478409, 20956818]

約数ペア:

[(1, 20956818), (2, 10478409), (3, 6985606), (6, 3492803), (17, 1232754), (23, 911166), (34, 616377), (46, 455583), (51, 410918), (69, 303722), (102, 205459), (138, 151861), (391, 53598), (782, 26799), (1173, 17866), (2346, 8933)]