20787942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{8389}}^1$

素因数の和:8460

約数の個数: 32

約数和(自身を含む): 48326400

約数和(自身を除く): 27538458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 59, 118, 177, 354, 413, 826, 1239, 2478, 8389, 16778, 25167, 50334, 58723, 117446, 176169, 352338, 494951, 989902, 1484853, 2969706, 3464657, 6929314, 10393971, 20787942]

約数ペア:

[(1, 20787942), (2, 10393971), (3, 6929314), (6, 3464657), (7, 2969706), (14, 1484853), (21, 989902), (42, 494951), (59, 352338), (118, 176169), (177, 117446), (354, 58723), (413, 50334), (826, 25167), (1239, 16778), (2478, 8389)]