20930390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 40805856

約数和(自身を除く): 19875466

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 233, 466, 691, 1165, 1382, 2330, 3029, 3455, 6058, 6910, 8983, 15145, 17966, 30290, 44915, 89830, 161003, 322006, 805015, 1610030, 2093039, 4186078, 10465195, 20930390]

約数ペア:

[(1, 20930390), (2, 10465195), (5, 4186078), (10, 2093039), (13, 1610030), (26, 805015), (65, 322006), (130, 161003), (233, 89830), (466, 44915), (691, 30290), (1165, 17966), (1382, 15145), (2330, 8983), (3029, 6910), (3455, 6058)]