207452020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{883}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 462466368

約数和(自身を除く): 255014348

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 691, 883, 1382, 1766, 2764, 3455, 3532, 4415, 6910, 8830, 11747, 13820, 15011, 17660, 23494, 30022, 46988, 58735, 60044, 75055, 117470, 150110, 234940, 300220, 610153, 1220306, 2440612, 3050765, 6101530, 10372601, 12203060, 20745202, 41490404, 51863005, 103726010, 207452020]

約数ペア:

[(1, 207452020), (2, 103726010), (4, 51863005), (5, 41490404), (10, 20745202), (17, 12203060), (20, 10372601), (34, 6101530), (68, 3050765), (85, 2440612), (170, 1220306), (340, 610153), (691, 300220), (883, 234940), (1382, 150110), (1766, 117470), (2764, 75055), (3455, 60044), (3532, 58735), (4415, 46988), (6910, 30022), (8830, 23494), (11747, 17660), (13820, 15011)]