20908472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8741}}^1$

素因数の和:8783

約数の個数: 32

約数和(自身を含む): 44059680

約数和(自身を除く): 23151208

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8741, 17482, 34964, 69928, 113633, 201043, 227266, 402086, 454532, 804172, 909064, 1608344, 2613559, 5227118, 10454236, 20908472]

約数ペア:

[(1, 20908472), (2, 10454236), (4, 5227118), (8, 2613559), (13, 1608344), (23, 909064), (26, 804172), (46, 454532), (52, 402086), (92, 227266), (104, 201043), (184, 113633), (299, 69928), (598, 34964), (1196, 17482), (2392, 8741)]