20978892

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17659}}^1$

素因数の和:17683

約数の個数: 48

約数和(自身を含む): 59337600

約数和(自身を除く): 38358708

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 17659, 35318, 52977, 70636, 105954, 158931, 194249, 211908, 317862, 388498, 476793, 582747, 635724, 776996, 953586, 1165494, 1748241, 1907172, 2330988, 3496482, 5244723, 6992964, 10489446, 20978892]

約数ペア:

[(1, 20978892), (2, 10489446), (3, 6992964), (4, 5244723), (6, 3496482), (9, 2330988), (11, 1907172), (12, 1748241), (18, 1165494), (22, 953586), (27, 776996), (33, 635724), (36, 582747), (44, 476793), (54, 388498), (66, 317862), (99, 211908), (108, 194249), (132, 158931), (198, 105954), (297, 70636), (396, 52977), (594, 35318), (1188, 17659)]