20380944

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18461}}^1$

素因数の和:18495

約数の個数: 40

約数和(自身を含む): 54942912

約数和(自身を除く): 34561968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 18461, 36922, 55383, 73844, 110766, 147688, 221532, 295376, 424603, 443064, 849206, 886128, 1273809, 1698412, 2547618, 3396824, 5095236, 6793648, 10190472, 20380944]

約数ペア:

[(1, 20380944), (2, 10190472), (3, 6793648), (4, 5095236), (6, 3396824), (8, 2547618), (12, 1698412), (16, 1273809), (23, 886128), (24, 849206), (46, 443064), (48, 424603), (69, 295376), (92, 221532), (138, 147688), (184, 110766), (276, 73844), (368, 55383), (552, 36922), (1104, 18461)]