20788860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1093}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 58445856

約数和(自身を除く): 37656996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1093, 1268, 1585, 1902, 2186, 3170, 3279, 3804, 4372, 4755, 5465, 6340, 6558, 9510, 10930, 13116, 16395, 19020, 21860, 32790, 65580, 346481, 692962, 1039443, 1385924, 1732405, 2078886, 3464810, 4157772, 5197215, 6929620, 10394430, 20788860]

約数ペア:

[(1, 20788860), (2, 10394430), (3, 6929620), (4, 5197215), (5, 4157772), (6, 3464810), (10, 2078886), (12, 1732405), (15, 1385924), (20, 1039443), (30, 692962), (60, 346481), (317, 65580), (634, 32790), (951, 21860), (1093, 19020), (1268, 16395), (1585, 13116), (1902, 10930), (2186, 9510), (3170, 6558), (3279, 6340), (3804, 5465), (4372, 4755)]