20852904

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 55923840

約数和(自身を除く): 35070936

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 444, 552, 851, 888, 1021, 1702, 2042, 2553, 3063, 3404, 4084, 5106, 6126, 6808, 8168, 10212, 12252, 20424, 23483, 24504, 37777, 46966, 70449, 75554, 93932, 113331, 140898, 151108, 187864, 226662, 281796, 302216, 453324, 563592, 868871, 906648, 1737742, 2606613, 3475484, 5213226, 6950968, 10426452, 20852904]

約数ペア:

[(1, 20852904), (2, 10426452), (3, 6950968), (4, 5213226), (6, 3475484), (8, 2606613), (12, 1737742), (23, 906648), (24, 868871), (37, 563592), (46, 453324), (69, 302216), (74, 281796), (92, 226662), (111, 187864), (138, 151108), (148, 140898), (184, 113331), (222, 93932), (276, 75554), (296, 70449), (444, 46966), (552, 37777), (851, 24504), (888, 23483), (1021, 20424), (1702, 12252), (2042, 10212), (2553, 8168), (3063, 6808), (3404, 6126), (4084, 5106)]