20282388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2713}}^1$

素因数の和:2816

約数の個数: 48

約数和(自身を含む): 54714240

約数和(自身を除く): 34431852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 2713, 3738, 5426, 7476, 8139, 10852, 16278, 18991, 32556, 37982, 56973, 75964, 113946, 227892, 241457, 482914, 724371, 965828, 1448742, 1690199, 2897484, 3380398, 5070597, 6760796, 10141194, 20282388]

約数ペア:

[(1, 20282388), (2, 10141194), (3, 6760796), (4, 5070597), (6, 3380398), (7, 2897484), (12, 1690199), (14, 1448742), (21, 965828), (28, 724371), (42, 482914), (84, 241457), (89, 227892), (178, 113946), (267, 75964), (356, 56973), (534, 37982), (623, 32556), (1068, 18991), (1246, 16278), (1869, 10852), (2492, 8139), (2713, 7476), (3738, 5426)]