20576444

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22969156

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 359, 623, 644, 718, 1246, 1436, 2047, 2492, 2513, 4094, 5026, 8188, 8257, 10052, 14329, 16514, 28658, 31951, 33028, 57316, 57799, 63902, 115598, 127804, 223657, 231196, 447314, 734873, 894628, 1469746, 2939492, 5144111, 10288222, 20576444]

約数ペア:

[(1, 20576444), (2, 10288222), (4, 5144111), (7, 2939492), (14, 1469746), (23, 894628), (28, 734873), (46, 447314), (89, 231196), (92, 223657), (161, 127804), (178, 115598), (322, 63902), (356, 57799), (359, 57316), (623, 33028), (644, 31951), (718, 28658), (1246, 16514), (1436, 14329), (2047, 10052), (2492, 8257), (2513, 8188), (4094, 5026)]