20916350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4597}}^1$

素因数の和:4629

約数の個数: 48

約数和(自身を含む): 47892768

約数和(自身を除く): 26976418

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4597, 9194, 22985, 32179, 45970, 59761, 64358, 114925, 119522, 160895, 229850, 298805, 321790, 418327, 597610, 804475, 836654, 1494025, 1608950, 2091635, 2988050, 4183270, 10458175, 20916350]

約数ペア:

[(1, 20916350), (2, 10458175), (5, 4183270), (7, 2988050), (10, 2091635), (13, 1608950), (14, 1494025), (25, 836654), (26, 804475), (35, 597610), (50, 418327), (65, 321790), (70, 298805), (91, 229850), (130, 160895), (175, 119522), (182, 114925), (325, 64358), (350, 59761), (455, 45970), (650, 32179), (910, 22985), (2275, 9194), (4550, 4597)]