20740803080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{30501181}}^1$

素因数の和:30501209

約数の個数: 32

約数和(自身を含む): 49411914840

約数和(自身を除く): 28671111760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 30501181, 61002362, 122004724, 152505905, 244009448, 305011810, 518520077, 610023620, 1037040154, 1220047240, 2074080308, 2592600385, 4148160616, 5185200770, 10370401540, 20740803080]

約数ペア:

[(1, 20740803080), (2, 10370401540), (4, 5185200770), (5, 4148160616), (8, 2592600385), (10, 2074080308), (17, 1220047240), (20, 1037040154), (34, 610023620), (40, 518520077), (68, 305011810), (85, 244009448), (136, 152505905), (170, 122004724), (340, 61002362), (680, 30501181)]