16201990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3923}}^1$

素因数の和:3996

約数の個数: 32

約数和(自身を含む): 33903360

約数和(自身を除く): 17701370

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 3923, 4130, 7846, 19615, 27461, 39230, 54922, 137305, 231457, 274610, 462914, 1157285, 1620199, 2314570, 3240398, 8100995, 16201990]

約数ペア:

[(1, 16201990), (2, 8100995), (5, 3240398), (7, 2314570), (10, 1620199), (14, 1157285), (35, 462914), (59, 274610), (70, 231457), (118, 137305), (295, 54922), (413, 39230), (590, 27461), (826, 19615), (2065, 7846), (3923, 4130)]