20058256

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 40622400

約数和(自身を除く): 20564144

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 139, 232, 278, 311, 464, 556, 622, 1112, 1244, 2224, 2488, 4031, 4976, 8062, 9019, 16124, 18038, 32248, 36076, 43229, 64496, 72152, 86458, 144304, 172916, 345832, 691664, 1253641, 2507282, 5014564, 10029128, 20058256]

約数ペア:

[(1, 20058256), (2, 10029128), (4, 5014564), (8, 2507282), (16, 1253641), (29, 691664), (58, 345832), (116, 172916), (139, 144304), (232, 86458), (278, 72152), (311, 64496), (464, 43229), (556, 36076), (622, 32248), (1112, 18038), (1244, 16124), (2224, 9019), (2488, 8062), (4031, 4976)]