20361488

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1327}}^1$

素因数の和:1479

約数の個数: 40

約数和(自身を含む): 45449472

約数和(自身を除く): 25087984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 274, 548, 959, 1096, 1327, 1918, 2192, 2654, 3836, 5308, 7672, 9289, 10616, 15344, 18578, 21232, 37156, 74312, 148624, 181799, 363598, 727196, 1272593, 1454392, 2545186, 2908784, 5090372, 10180744, 20361488]

約数ペア:

[(1, 20361488), (2, 10180744), (4, 5090372), (7, 2908784), (8, 2545186), (14, 1454392), (16, 1272593), (28, 727196), (56, 363598), (112, 181799), (137, 148624), (274, 74312), (548, 37156), (959, 21232), (1096, 18578), (1327, 15344), (1918, 10616), (2192, 9289), (2654, 7672), (3836, 5308)]