20576810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2927}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 40055040

約数和(自身を除く): 19478230

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2927, 3515, 5854, 7030, 14635, 29270, 55613, 108299, 111226, 216598, 278065, 541495, 556130, 1082990, 2057681, 4115362, 10288405, 20576810]

約数ペア:

[(1, 20576810), (2, 10288405), (5, 4115362), (10, 2057681), (19, 1082990), (37, 556130), (38, 541495), (74, 278065), (95, 216598), (185, 111226), (190, 108299), (370, 55613), (703, 29270), (1406, 14635), (2927, 7030), (3515, 5854)]