20485410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2699}}^1$

素因数の和:2743

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 35501790

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 138, 165, 230, 253, 330, 345, 506, 690, 759, 1265, 1518, 2530, 2699, 3795, 5398, 7590, 8097, 13495, 16194, 26990, 29689, 40485, 59378, 62077, 80970, 89067, 124154, 148445, 178134, 186231, 296890, 310385, 372462, 445335, 620770, 682847, 890670, 931155, 1365694, 1862310, 2048541, 3414235, 4097082, 6828470, 10242705, 20485410]

約数ペア:

[(1, 20485410), (2, 10242705), (3, 6828470), (5, 4097082), (6, 3414235), (10, 2048541), (11, 1862310), (15, 1365694), (22, 931155), (23, 890670), (30, 682847), (33, 620770), (46, 445335), (55, 372462), (66, 310385), (69, 296890), (110, 186231), (115, 178134), (138, 148445), (165, 124154), (230, 89067), (253, 80970), (330, 62077), (345, 59378), (506, 40485), (690, 29689), (759, 26990), (1265, 16194), (1518, 13495), (2530, 8097), (2699, 7590), (3795, 5398)]