20956128

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9491}}^1$

素因数の和:9527

約数の個数: 48

約数和(自身を含む): 57407616

約数和(自身を除く): 36451488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9491, 18982, 28473, 37964, 56946, 75928, 113892, 151856, 218293, 227784, 303712, 436586, 455568, 654879, 873172, 911136, 1309758, 1746344, 2619516, 3492688, 5239032, 6985376, 10478064, 20956128]

約数ペア:

[(1, 20956128), (2, 10478064), (3, 6985376), (4, 5239032), (6, 3492688), (8, 2619516), (12, 1746344), (16, 1309758), (23, 911136), (24, 873172), (32, 654879), (46, 455568), (48, 436586), (69, 303712), (92, 227784), (96, 218293), (138, 151856), (184, 113892), (276, 75928), (368, 56946), (552, 37964), (736, 28473), (1104, 18982), (2208, 9491)]