20828470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3023}}^1$

素因数の和:3096

約数の個数: 32

約数和(自身を含む): 41150592

約数和(自身を除く): 20322122

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3023, 3445, 6046, 6890, 15115, 30230, 39299, 78598, 160219, 196495, 320438, 392990, 801095, 1602190, 2082847, 4165694, 10414235, 20828470]

約数ペア:

[(1, 20828470), (2, 10414235), (5, 4165694), (10, 2082847), (13, 1602190), (26, 801095), (53, 392990), (65, 320438), (106, 196495), (130, 160219), (265, 78598), (530, 39299), (689, 30230), (1378, 15115), (3023, 6890), (3445, 6046)]