20774832

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^3\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 58433760

約数和(自身を除く): 37658928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 197, 208, 312, 338, 394, 507, 591, 624, 676, 788, 1014, 1182, 1352, 1576, 2028, 2197, 2364, 2561, 2704, 3152, 4056, 4394, 4728, 5122, 6591, 7683, 8112, 8788, 9456, 10244, 13182, 15366, 17576, 20488, 26364, 30732, 33293, 35152, 40976, 52728, 61464, 66586, 99879, 105456, 122928, 133172, 199758, 266344, 399516, 432809, 532688, 799032, 865618, 1298427, 1598064, 1731236, 2596854, 3462472, 5193708, 6924944, 10387416, 20774832]

約数ペア:

[(1, 20774832), (2, 10387416), (3, 6924944), (4, 5193708), (6, 3462472), (8, 2596854), (12, 1731236), (13, 1598064), (16, 1298427), (24, 865618), (26, 799032), (39, 532688), (48, 432809), (52, 399516), (78, 266344), (104, 199758), (156, 133172), (169, 122928), (197, 105456), (208, 99879), (312, 66586), (338, 61464), (394, 52728), (507, 40976), (591, 35152), (624, 33293), (676, 30732), (788, 26364), (1014, 20488), (1182, 17576), (1352, 15366), (1576, 13182), (2028, 10244), (2197, 9456), (2364, 8788), (2561, 8112), (2704, 7683), (3152, 6591), (4056, 5122), (4394, 4728)]