20367022300

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{21997}}^1$

素因数の和:22255

約数の個数: 72

約数和(自身を含む): 45367971264

約数和(自身を除く): 25000948964

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 197, 235, 394, 470, 788, 940, 985, 1175, 1970, 2350, 3940, 4700, 4925, 9259, 9850, 18518, 19700, 21997, 37036, 43994, 46295, 87988, 92590, 109985, 185180, 219970, 231475, 439940, 462950, 549925, 925900, 1033859, 1099850, 2067718, 2199700, 4135436, 4333409, 5169295, 8666818, 10338590, 17333636, 20677180, 21667045, 25846475, 43334090, 51692950, 86668180, 103385900, 108335225, 203670223, 216670450, 407340446, 433340900, 814680892, 1018351115, 2036702230, 4073404460, 5091755575, 10183511150, 20367022300]

約数ペア:

[(1, 20367022300), (2, 10183511150), (4, 5091755575), (5, 4073404460), (10, 2036702230), (20, 1018351115), (25, 814680892), (47, 433340900), (50, 407340446), (94, 216670450), (100, 203670223), (188, 108335225), (197, 103385900), (235, 86668180), (394, 51692950), (470, 43334090), (788, 25846475), (940, 21667045), (985, 20677180), (1175, 17333636), (1970, 10338590), (2350, 8666818), (3940, 5169295), (4700, 4333409), (4925, 4135436), (9259, 2199700), (9850, 2067718), (18518, 1099850), (19700, 1033859), (21997, 925900), (37036, 549925), (43994, 462950), (46295, 439940), (87988, 231475), (92590, 219970), (109985, 185180)]