20474244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 59754240

約数和(自身を除く): 39279996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 678, 719, 791, 1017, 1356, 1438, 1582, 2034, 2157, 2373, 2876, 3164, 4068, 4314, 4746, 5033, 6471, 7119, 8628, 9492, 10066, 12942, 14238, 15099, 20132, 25884, 28476, 30198, 45297, 60396, 81247, 90594, 162494, 181188, 243741, 324988, 487482, 568729, 731223, 974964, 1137458, 1462446, 1706187, 2274916, 2924892, 3412374, 5118561, 6824748, 10237122, 20474244]

約数ペア:

[(1, 20474244), (2, 10237122), (3, 6824748), (4, 5118561), (6, 3412374), (7, 2924892), (9, 2274916), (12, 1706187), (14, 1462446), (18, 1137458), (21, 974964), (28, 731223), (36, 568729), (42, 487482), (63, 324988), (84, 243741), (113, 181188), (126, 162494), (226, 90594), (252, 81247), (339, 60396), (452, 45297), (678, 30198), (719, 28476), (791, 25884), (1017, 20132), (1356, 15099), (1438, 14238), (1582, 12942), (2034, 10066), (2157, 9492), (2373, 8628), (2876, 7119), (3164, 6471), (4068, 5033), (4314, 4746)]