220120538

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{4007}}^1$

素因数の和:4258

約数の個数: 24

約数和(自身を含む): 364615776

約数和(自身を除く): 144495238

約数列:

[1, 2, 11, 22, 121, 227, 242, 454, 2497, 4007, 4994, 8014, 27467, 44077, 54934, 88154, 484847, 909589, 969694, 1819178, 10005479, 20010958, 110060269, 220120538]

約数ペア:

[(1, 220120538), (2, 110060269), (11, 20010958), (22, 10005479), (121, 1819178), (227, 969694), (242, 909589), (454, 484847), (2497, 88154), (4007, 54934), (4994, 44077), (8014, 27467)]