20419428

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 49029120

約数和(自身を除く): 28609692

約数列:

[1, 2, 3, 4, 6, 12, 59, 118, 151, 177, 191, 236, 302, 354, 382, 453, 573, 604, 708, 764, 906, 1146, 1812, 2292, 8909, 11269, 17818, 22538, 26727, 28841, 33807, 35636, 45076, 53454, 57682, 67614, 86523, 106908, 115364, 135228, 173046, 346092, 1701619, 3403238, 5104857, 6806476, 10209714, 20419428]

約数ペア:

[(1, 20419428), (2, 10209714), (3, 6806476), (4, 5104857), (6, 3403238), (12, 1701619), (59, 346092), (118, 173046), (151, 135228), (177, 115364), (191, 106908), (236, 86523), (302, 67614), (354, 57682), (382, 53454), (453, 45076), (573, 35636), (604, 33807), (708, 28841), (764, 26727), (906, 22538), (1146, 17818), (1812, 11269), (2292, 8909)]