20883510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4937}}^1$

素因数の和:4997

約数の個数: 48

約数和(自身を含む): 55463616

約数和(自身を除く): 34580106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4937, 9874, 14811, 24685, 29622, 44433, 49370, 74055, 88866, 148110, 222165, 232039, 444330, 464078, 696117, 1160195, 1392234, 2088351, 2320390, 3480585, 4176702, 6961170, 10441755, 20883510]

約数ペア:

[(1, 20883510), (2, 10441755), (3, 6961170), (5, 4176702), (6, 3480585), (9, 2320390), (10, 2088351), (15, 1392234), (18, 1160195), (30, 696117), (45, 464078), (47, 444330), (90, 232039), (94, 222165), (141, 148110), (235, 88866), (282, 74055), (423, 49370), (470, 44433), (705, 29622), (846, 24685), (1410, 14811), (2115, 9874), (4230, 4937)]