20002304

素因数分解:

$2^9\times 7^1\times {\mathrm{5581}}^1$

素因数の和:5606

約数の個数: 40

約数和(自身を含む): 45683088

約数和(自身を除く): 25680784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5581, 11162, 22324, 39067, 44648, 78134, 89296, 156268, 178592, 312536, 357184, 625072, 714368, 1250144, 1428736, 2500288, 2857472, 5000576, 10001152, 20002304]

約数ペア:

[(1, 20002304), (2, 10001152), (4, 5000576), (7, 2857472), (8, 2500288), (14, 1428736), (16, 1250144), (28, 714368), (32, 625072), (56, 357184), (64, 312536), (112, 178592), (128, 156268), (224, 89296), (256, 78134), (448, 44648), (512, 39067), (896, 22324), (1792, 11162), (3584, 5581)]