20127260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 24113860

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 295, 370, 461, 590, 740, 922, 1180, 1844, 2183, 2305, 4366, 4610, 8732, 9220, 10915, 17057, 21830, 27199, 34114, 43660, 54398, 68228, 85285, 108796, 135995, 170570, 271990, 341140, 543980, 1006363, 2012726, 4025452, 5031815, 10063630, 20127260]

約数ペア:

[(1, 20127260), (2, 10063630), (4, 5031815), (5, 4025452), (10, 2012726), (20, 1006363), (37, 543980), (59, 341140), (74, 271990), (118, 170570), (148, 135995), (185, 108796), (236, 85285), (295, 68228), (370, 54398), (461, 43660), (590, 34114), (740, 27199), (922, 21830), (1180, 17057), (1844, 10915), (2183, 9220), (2305, 8732), (4366, 4610)]