20157450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2203}}^1$

素因数の和:2279

約数の個数: 48

約数和(自身を含む): 50833056

約数和(自身を除く): 30675606

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2203, 3050, 4406, 4575, 6609, 9150, 11015, 13218, 22030, 33045, 55075, 66090, 110150, 134383, 165225, 268766, 330450, 403149, 671915, 806298, 1343830, 2015745, 3359575, 4031490, 6719150, 10078725, 20157450]

約数ペア:

[(1, 20157450), (2, 10078725), (3, 6719150), (5, 4031490), (6, 3359575), (10, 2015745), (15, 1343830), (25, 806298), (30, 671915), (50, 403149), (61, 330450), (75, 268766), (122, 165225), (150, 134383), (183, 110150), (305, 66090), (366, 55075), (610, 33045), (915, 22030), (1525, 13218), (1830, 11015), (2203, 9150), (3050, 6609), (4406, 4575)]