20193973905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13709}}^1\times {\mathrm{14029}}^1$

素因数の和:27753

約数の個数: 32

約数和(自身を含む): 36931449600

約数和(自身を除く): 16737475695

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 13709, 14029, 41127, 42087, 68545, 70145, 95963, 98203, 205635, 210435, 287889, 294609, 479815, 491015, 1439445, 1473045, 192323561, 576970683, 961617805, 1346264927, 2884853415, 4038794781, 6731324635, 20193973905]

約数ペア:

[(1, 20193973905), (3, 6731324635), (5, 4038794781), (7, 2884853415), (15, 1346264927), (21, 961617805), (35, 576970683), (105, 192323561), (13709, 1473045), (14029, 1439445), (41127, 491015), (42087, 479815), (68545, 294609), (70145, 287889), (95963, 210435), (98203, 205635)]