2052020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 4596480

約数和(自身を除く): 2544460

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 59, 74, 94, 118, 148, 185, 188, 235, 236, 295, 370, 470, 590, 740, 940, 1180, 1739, 2183, 2773, 3478, 4366, 5546, 6956, 8695, 8732, 10915, 11092, 13865, 17390, 21830, 27730, 34780, 43660, 55460, 102601, 205202, 410404, 513005, 1026010, 2052020]

約数ペア:

[(1, 2052020), (2, 1026010), (4, 513005), (5, 410404), (10, 205202), (20, 102601), (37, 55460), (47, 43660), (59, 34780), (74, 27730), (94, 21830), (118, 17390), (148, 13865), (185, 11092), (188, 10915), (235, 8732), (236, 8695), (295, 6956), (370, 5546), (470, 4366), (590, 3478), (740, 2773), (940, 2183), (1180, 1739)]