20739968150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{423697}}^1$

素因数の和:423809

約数の個数: 48

約数和(自身を含む): 42556227120

約数和(自身を除く): 21816258970

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 275, 445, 550, 890, 979, 1958, 2225, 4450, 4895, 9790, 24475, 48950, 423697, 847394, 2118485, 4236970, 4660667, 9321334, 10592425, 21184850, 23303335, 37709033, 46606670, 75418066, 116516675, 188545165, 233033350, 377090330, 414799363, 829598726, 942725825, 1885451650, 2073996815, 4147993630, 10369984075, 20739968150]

約数ペア:

[(1, 20739968150), (2, 10369984075), (5, 4147993630), (10, 2073996815), (11, 1885451650), (22, 942725825), (25, 829598726), (50, 414799363), (55, 377090330), (89, 233033350), (110, 188545165), (178, 116516675), (275, 75418066), (445, 46606670), (550, 37709033), (890, 23303335), (979, 21184850), (1958, 10592425), (2225, 9321334), (4450, 4660667), (4895, 4236970), (9790, 2118485), (24475, 847394), (48950, 423697)]