20115256

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8761}}^1$

素因数の和:8815

約数の個数: 32

約数和(自身を含む): 44160480

約数和(自身を除く): 24045224

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 8761, 17522, 35044, 61327, 70088, 122654, 245308, 359201, 490616, 718402, 1436804, 2514407, 2873608, 5028814, 10057628, 20115256]

約数ペア:

[(1, 20115256), (2, 10057628), (4, 5028814), (7, 2873608), (8, 2514407), (14, 1436804), (28, 718402), (41, 490616), (56, 359201), (82, 245308), (164, 122654), (287, 70088), (328, 61327), (574, 35044), (1148, 17522), (2296, 8761)]