22920020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 27641260

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 94, 148, 185, 188, 235, 370, 470, 659, 740, 940, 1318, 1739, 2636, 3295, 3478, 6590, 6956, 8695, 13180, 17390, 24383, 30973, 34780, 48766, 61946, 97532, 121915, 123892, 154865, 243830, 309730, 487660, 619460, 1146001, 2292002, 4584004, 5730005, 11460010, 22920020]

約数ペア:

[(1, 22920020), (2, 11460010), (4, 5730005), (5, 4584004), (10, 2292002), (20, 1146001), (37, 619460), (47, 487660), (74, 309730), (94, 243830), (148, 154865), (185, 123892), (188, 121915), (235, 97532), (370, 61946), (470, 48766), (659, 34780), (740, 30973), (940, 24383), (1318, 17390), (1739, 13180), (2636, 8695), (3295, 6956), (3478, 6590)]