20028816

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:741

約数の個数: 80

約数和(自身を含む): 58389120

約数和(自身を除く): 38360304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 426, 432, 568, 639, 653, 852, 1136, 1278, 1306, 1704, 1917, 1959, 2556, 2612, 3408, 3834, 3918, 5112, 5224, 5877, 7668, 7836, 10224, 10448, 11754, 15336, 15672, 17631, 23508, 30672, 31344, 35262, 46363, 47016, 70524, 92726, 94032, 139089, 141048, 185452, 278178, 282096, 370904, 417267, 556356, 741808, 834534, 1112712, 1251801, 1669068, 2225424, 2503602, 3338136, 5007204, 6676272, 10014408, 20028816]

約数ペア:

[(1, 20028816), (2, 10014408), (3, 6676272), (4, 5007204), (6, 3338136), (8, 2503602), (9, 2225424), (12, 1669068), (16, 1251801), (18, 1112712), (24, 834534), (27, 741808), (36, 556356), (48, 417267), (54, 370904), (71, 282096), (72, 278178), (108, 185452), (142, 141048), (144, 139089), (213, 94032), (216, 92726), (284, 70524), (426, 47016), (432, 46363), (568, 35262), (639, 31344), (653, 30672), (852, 23508), (1136, 17631), (1278, 15672), (1306, 15336), (1704, 11754), (1917, 10448), (1959, 10224), (2556, 7836), (2612, 7668), (3408, 5877), (3834, 5224), (3918, 5112)]