20417170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1447}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 39408768

約数和(自身を除く): 18991598

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 1447, 2822, 2894, 7055, 7235, 14110, 14470, 24599, 49198, 120101, 122995, 240202, 245990, 600505, 1201010, 2041717, 4083434, 10208585, 20417170]

約数ペア:

[(1, 20417170), (2, 10208585), (5, 4083434), (10, 2041717), (17, 1201010), (34, 600505), (83, 245990), (85, 240202), (166, 122995), (170, 120101), (415, 49198), (830, 24599), (1411, 14470), (1447, 14110), (2822, 7235), (2894, 7055)]