20938290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 32405070

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 41, 58, 82, 87, 123, 145, 174, 205, 246, 290, 410, 435, 587, 615, 870, 1174, 1189, 1230, 1761, 2378, 2935, 3522, 3567, 5870, 5945, 7134, 8805, 11890, 17023, 17610, 17835, 24067, 34046, 35670, 48134, 51069, 72201, 85115, 102138, 120335, 144402, 170230, 240670, 255345, 361005, 510690, 697943, 722010, 1395886, 2093829, 3489715, 4187658, 6979430, 10469145, 20938290]

約数ペア:

[(1, 20938290), (2, 10469145), (3, 6979430), (5, 4187658), (6, 3489715), (10, 2093829), (15, 1395886), (29, 722010), (30, 697943), (41, 510690), (58, 361005), (82, 255345), (87, 240670), (123, 170230), (145, 144402), (174, 120335), (205, 102138), (246, 85115), (290, 72201), (410, 51069), (435, 48134), (587, 35670), (615, 34046), (870, 24067), (1174, 17835), (1189, 17610), (1230, 17023), (1761, 11890), (2378, 8805), (2935, 7134), (3522, 5945), (3567, 5870)]