20546988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 61490688

約数和(自身を除く): 40943700

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 37, 42, 44, 66, 74, 77, 84, 111, 132, 148, 154, 222, 231, 259, 308, 407, 444, 462, 518, 601, 777, 814, 924, 1036, 1202, 1221, 1554, 1628, 1803, 2404, 2442, 2849, 3108, 3606, 4207, 4884, 5698, 6611, 7212, 8414, 8547, 11396, 12621, 13222, 16828, 17094, 19833, 22237, 25242, 26444, 34188, 39666, 44474, 46277, 50484, 66711, 79332, 88948, 92554, 133422, 138831, 155659, 185108, 244607, 266844, 277662, 311318, 466977, 489214, 555324, 622636, 733821, 933954, 978428, 1467642, 1712249, 1867908, 2935284, 3424498, 5136747, 6848996, 10273494, 20546988]

約数ペア:

[(1, 20546988), (2, 10273494), (3, 6848996), (4, 5136747), (6, 3424498), (7, 2935284), (11, 1867908), (12, 1712249), (14, 1467642), (21, 978428), (22, 933954), (28, 733821), (33, 622636), (37, 555324), (42, 489214), (44, 466977), (66, 311318), (74, 277662), (77, 266844), (84, 244607), (111, 185108), (132, 155659), (148, 138831), (154, 133422), (222, 92554), (231, 88948), (259, 79332), (308, 66711), (407, 50484), (444, 46277), (462, 44474), (518, 39666), (601, 34188), (777, 26444), (814, 25242), (924, 22237), (1036, 19833), (1202, 17094), (1221, 16828), (1554, 13222), (1628, 12621), (1803, 11396), (2404, 8547), (2442, 8414), (2849, 7212), (3108, 6611), (3606, 5698), (4207, 4884)]