20029040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13177}}^1$

素因数の和:13209

約数の個数: 40

約数和(自身を含む): 49022160

約数和(自身を除く): 28993120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13177, 26354, 52708, 65885, 105416, 131770, 210832, 250363, 263540, 500726, 527080, 1001452, 1054160, 1251815, 2002904, 2503630, 4005808, 5007260, 10014520, 20029040]

約数ペア:

[(1, 20029040), (2, 10014520), (4, 5007260), (5, 4005808), (8, 2503630), (10, 2002904), (16, 1251815), (19, 1054160), (20, 1001452), (38, 527080), (40, 500726), (76, 263540), (80, 250363), (95, 210832), (152, 131770), (190, 105416), (304, 65885), (380, 52708), (760, 26354), (1520, 13177)]