20358772

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 43045632

約数和(自身を除く): 22686860

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 101, 161, 202, 313, 322, 404, 626, 644, 707, 1252, 1414, 2191, 2323, 2828, 4382, 4646, 7199, 8764, 9292, 14398, 16261, 28796, 31613, 32522, 50393, 63226, 65044, 100786, 126452, 201572, 221291, 442582, 727099, 885164, 1454198, 2908396, 5089693, 10179386, 20358772]

約数ペア:

[(1, 20358772), (2, 10179386), (4, 5089693), (7, 2908396), (14, 1454198), (23, 885164), (28, 727099), (46, 442582), (92, 221291), (101, 201572), (161, 126452), (202, 100786), (313, 65044), (322, 63226), (404, 50393), (626, 32522), (644, 31613), (707, 28796), (1252, 16261), (1414, 14398), (2191, 9292), (2323, 8764), (2828, 7199), (4382, 4646)]