20802952

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 40533120

約数和(自身を除く): 19730168

約数列:

[1, 2, 4, 8, 47, 61, 94, 122, 188, 244, 376, 488, 907, 1814, 2867, 3628, 5734, 7256, 11468, 22936, 42629, 55327, 85258, 110654, 170516, 221308, 341032, 442616, 2600369, 5200738, 10401476, 20802952]

約数ペア:

[(1, 20802952), (2, 10401476), (4, 5200738), (8, 2600369), (47, 442616), (61, 341032), (94, 221308), (122, 170516), (188, 110654), (244, 85258), (376, 55327), (488, 42629), (907, 22936), (1814, 11468), (2867, 7256), (3628, 5734)]