20166752

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 42865200

約数和(自身を除く): 22698448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 76, 82, 152, 164, 304, 328, 608, 656, 779, 809, 1312, 1558, 1618, 3116, 3236, 6232, 6472, 12464, 12944, 15371, 24928, 25888, 30742, 33169, 61484, 66338, 122968, 132676, 245936, 265352, 491872, 530704, 630211, 1061408, 1260422, 2520844, 5041688, 10083376, 20166752]

約数ペア:

[(1, 20166752), (2, 10083376), (4, 5041688), (8, 2520844), (16, 1260422), (19, 1061408), (32, 630211), (38, 530704), (41, 491872), (76, 265352), (82, 245936), (152, 132676), (164, 122968), (304, 66338), (328, 61484), (608, 33169), (656, 30742), (779, 25888), (809, 24928), (1312, 15371), (1558, 12944), (1618, 12464), (3116, 6472), (3236, 6232)]