20507610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 32369190

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 79, 85, 102, 158, 170, 237, 255, 395, 474, 509, 510, 790, 1018, 1185, 1343, 1527, 2370, 2545, 2686, 3054, 4029, 5090, 6715, 7635, 8058, 8653, 13430, 15270, 17306, 20145, 25959, 40211, 40290, 43265, 51918, 80422, 86530, 120633, 129795, 201055, 241266, 259590, 402110, 603165, 683587, 1206330, 1367174, 2050761, 3417935, 4101522, 6835870, 10253805, 20507610]

約数ペア:

[(1, 20507610), (2, 10253805), (3, 6835870), (5, 4101522), (6, 3417935), (10, 2050761), (15, 1367174), (17, 1206330), (30, 683587), (34, 603165), (51, 402110), (79, 259590), (85, 241266), (102, 201055), (158, 129795), (170, 120633), (237, 86530), (255, 80422), (395, 51918), (474, 43265), (509, 40290), (510, 40211), (790, 25959), (1018, 20145), (1185, 17306), (1343, 15270), (1527, 13430), (2370, 8653), (2545, 8058), (2686, 7635), (3054, 6715), (4029, 5090)]