20327964

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 49297920

約数和(自身を除く): 28969956

約数列:

[1, 2, 3, 4, 6, 12, 41, 79, 82, 123, 158, 164, 237, 246, 316, 474, 492, 523, 948, 1046, 1569, 2092, 3138, 3239, 6276, 6478, 9717, 12956, 19434, 21443, 38868, 41317, 42886, 64329, 82634, 85772, 123951, 128658, 165268, 247902, 257316, 495804, 1693997, 3387994, 5081991, 6775988, 10163982, 20327964]

約数ペア:

[(1, 20327964), (2, 10163982), (3, 6775988), (4, 5081991), (6, 3387994), (12, 1693997), (41, 495804), (79, 257316), (82, 247902), (123, 165268), (158, 128658), (164, 123951), (237, 85772), (246, 82634), (316, 64329), (474, 42886), (492, 41317), (523, 38868), (948, 21443), (1046, 19434), (1569, 12956), (2092, 9717), (3138, 6478), (3239, 6276)]