20789953450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{769}}^1\times {\mathrm{77243}}^1$

素因数の和:78031

約数の個数: 48

約数和(自身を含む): 44251542720

約数和(自身を除く): 23461589270

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 769, 1538, 3845, 5383, 7690, 10766, 19225, 26915, 38450, 53830, 77243, 134575, 154486, 269150, 386215, 540701, 772430, 1081402, 1931075, 2703505, 3862150, 5407010, 13517525, 27035050, 59399867, 118799734, 296999335, 415799069, 593998670, 831598138, 1484996675, 2078995345, 2969993350, 4157990690, 10394976725, 20789953450]

約数ペア:

[(1, 20789953450), (2, 10394976725), (5, 4157990690), (7, 2969993350), (10, 2078995345), (14, 1484996675), (25, 831598138), (35, 593998670), (50, 415799069), (70, 296999335), (175, 118799734), (350, 59399867), (769, 27035050), (1538, 13517525), (3845, 5407010), (5383, 3862150), (7690, 2703505), (10766, 1931075), (19225, 1081402), (26915, 772430), (38450, 540701), (53830, 386215), (77243, 269150), (134575, 154486)]