20587290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4937}}^1$

素因数の和:5086

約数の個数: 32

約数和(自身を含む): 49775040

約数和(自身を除く): 29187750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4937, 9874, 14811, 24685, 29622, 49370, 74055, 148110, 686243, 1372486, 2058729, 3431215, 4117458, 6862430, 10293645, 20587290]

約数ペア:

[(1, 20587290), (2, 10293645), (3, 6862430), (5, 4117458), (6, 3431215), (10, 2058729), (15, 1372486), (30, 686243), (139, 148110), (278, 74055), (417, 49370), (695, 29622), (834, 24685), (1390, 14811), (2085, 9874), (4170, 4937)]