20652176

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1031

約数の個数: 40

約数和(自身を含む): 42318720

約数和(自身を除く): 21666544

約数列:

[1, 2, 4, 8, 16, 29, 47, 58, 94, 116, 188, 232, 376, 464, 752, 947, 1363, 1894, 2726, 3788, 5452, 7576, 10904, 15152, 21808, 27463, 44509, 54926, 89018, 109852, 178036, 219704, 356072, 439408, 712144, 1290761, 2581522, 5163044, 10326088, 20652176]

約数ペア:

[(1, 20652176), (2, 10326088), (4, 5163044), (8, 2581522), (16, 1290761), (29, 712144), (47, 439408), (58, 356072), (94, 219704), (116, 178036), (188, 109852), (232, 89018), (376, 54926), (464, 44509), (752, 27463), (947, 21808), (1363, 15152), (1894, 10904), (2726, 7576), (3788, 5452)]