15440420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45413}}^1$

素因数の和:45439

約数の個数: 24

約数和(自身を含む): 34332984

約数和(自身を除く): 18892564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 45413, 90826, 181652, 227065, 454130, 772021, 908260, 1544042, 3088084, 3860105, 7720210, 15440420]

約数ペア:

[(1, 15440420), (2, 7720210), (4, 3860105), (5, 3088084), (10, 1544042), (17, 908260), (20, 772021), (34, 454130), (68, 227065), (85, 181652), (170, 90826), (340, 45413)]