20399894664

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{110951}}^1$

素因数の和:111170

約数の個数: 64

約数和(自身を含む): 52404848640

約数和(自身を除く): 32004953976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 163, 188, 282, 326, 376, 489, 564, 652, 978, 1128, 1304, 1956, 3912, 7661, 15322, 22983, 30644, 45966, 61288, 91932, 110951, 183864, 221902, 332853, 443804, 665706, 887608, 1331412, 2662824, 5214697, 10429394, 15644091, 18085013, 20858788, 31288182, 36170026, 41717576, 54255039, 62576364, 72340052, 108510078, 125152728, 144680104, 217020156, 434040312, 849995611, 1699991222, 2549986833, 3399982444, 5099973666, 6799964888, 10199947332, 20399894664]

約数ペア:

[(1, 20399894664), (2, 10199947332), (3, 6799964888), (4, 5099973666), (6, 3399982444), (8, 2549986833), (12, 1699991222), (24, 849995611), (47, 434040312), (94, 217020156), (141, 144680104), (163, 125152728), (188, 108510078), (282, 72340052), (326, 62576364), (376, 54255039), (489, 41717576), (564, 36170026), (652, 31288182), (978, 20858788), (1128, 18085013), (1304, 15644091), (1956, 10429394), (3912, 5214697), (7661, 2662824), (15322, 1331412), (22983, 887608), (30644, 665706), (45966, 443804), (61288, 332853), (91932, 221902), (110951, 183864)]