20535510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15919}}^1$

素因数の和:15972

約数の個数: 32

約数和(自身を含む): 50434560

約数和(自身を除く): 29899050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15919, 31838, 47757, 79595, 95514, 159190, 238785, 477570, 684517, 1369034, 2053551, 3422585, 4107102, 6845170, 10267755, 20535510]

約数ペア:

[(1, 20535510), (2, 10267755), (3, 6845170), (5, 4107102), (6, 3422585), (10, 2053551), (15, 1369034), (30, 684517), (43, 477570), (86, 238785), (129, 159190), (215, 95514), (258, 79595), (430, 47757), (645, 31838), (1290, 15919)]