16620648

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 45731520

約数和(自身を除く): 29110872

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 157, 264, 314, 401, 471, 628, 802, 942, 1203, 1256, 1604, 1727, 1884, 2406, 3208, 3454, 3768, 4411, 4812, 5181, 6908, 8822, 9624, 10362, 13233, 13816, 17644, 20724, 26466, 35288, 41448, 52932, 62957, 105864, 125914, 188871, 251828, 377742, 503656, 692527, 755484, 1385054, 1510968, 2077581, 2770108, 4155162, 5540216, 8310324, 16620648]

約数ペア:

[(1, 16620648), (2, 8310324), (3, 5540216), (4, 4155162), (6, 2770108), (8, 2077581), (11, 1510968), (12, 1385054), (22, 755484), (24, 692527), (33, 503656), (44, 377742), (66, 251828), (88, 188871), (132, 125914), (157, 105864), (264, 62957), (314, 52932), (401, 41448), (471, 35288), (628, 26466), (802, 20724), (942, 17644), (1203, 13816), (1256, 13233), (1604, 10362), (1727, 9624), (1884, 8822), (2406, 6908), (3208, 5181), (3454, 4812), (3768, 4411)]