20446552

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^2$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 45185040

約数和(自身を除く): 24738488

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 83, 106, 166, 212, 332, 371, 424, 581, 664, 742, 1162, 1484, 2324, 2968, 4399, 4648, 6889, 8798, 13778, 17596, 27556, 30793, 35192, 48223, 55112, 61586, 96446, 123172, 192892, 246344, 365117, 385784, 730234, 1460468, 2555819, 2920936, 5111638, 10223276, 20446552]

約数ペア:

[(1, 20446552), (2, 10223276), (4, 5111638), (7, 2920936), (8, 2555819), (14, 1460468), (28, 730234), (53, 385784), (56, 365117), (83, 246344), (106, 192892), (166, 123172), (212, 96446), (332, 61586), (371, 55112), (424, 48223), (581, 35192), (664, 30793), (742, 27556), (1162, 17596), (1484, 13778), (2324, 8798), (2968, 6889), (4399, 4648)]