20895156

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{8663}}^1$

素因数の和:8740

約数の個数: 36

約数和(自身を含む): 53612832

約数和(自身を除く): 32717676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 8663, 17326, 25989, 34652, 51978, 77967, 103956, 155934, 311868, 580421, 1160842, 1741263, 2321684, 3482526, 5223789, 6965052, 10447578, 20895156]

約数ペア:

[(1, 20895156), (2, 10447578), (3, 6965052), (4, 5223789), (6, 3482526), (9, 2321684), (12, 1741263), (18, 1160842), (36, 580421), (67, 311868), (134, 155934), (201, 103956), (268, 77967), (402, 51978), (603, 34652), (804, 25989), (1206, 17326), (2412, 8663)]