20570298

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 51568128

約数和(自身を除く): 30997830

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 37, 42, 49, 61, 62, 74, 93, 98, 111, 122, 147, 183, 186, 217, 222, 259, 294, 366, 427, 434, 518, 651, 777, 854, 1147, 1281, 1302, 1519, 1554, 1813, 1891, 2257, 2294, 2562, 2989, 3038, 3441, 3626, 3782, 4514, 4557, 5439, 5673, 5978, 6771, 6882, 8029, 8967, 9114, 10878, 11346, 13237, 13542, 15799, 16058, 17934, 24087, 26474, 31598, 39711, 47397, 48174, 56203, 69967, 79422, 92659, 94794, 110593, 112406, 139934, 168609, 185318, 209901, 221186, 277977, 331779, 337218, 419802, 489769, 555954, 663558, 979538, 1469307, 2938614, 3428383, 6856766, 10285149, 20570298]

約数ペア:

[(1, 20570298), (2, 10285149), (3, 6856766), (6, 3428383), (7, 2938614), (14, 1469307), (21, 979538), (31, 663558), (37, 555954), (42, 489769), (49, 419802), (61, 337218), (62, 331779), (74, 277977), (93, 221186), (98, 209901), (111, 185318), (122, 168609), (147, 139934), (183, 112406), (186, 110593), (217, 94794), (222, 92659), (259, 79422), (294, 69967), (366, 56203), (427, 48174), (434, 47397), (518, 39711), (651, 31598), (777, 26474), (854, 24087), (1147, 17934), (1281, 16058), (1302, 15799), (1519, 13542), (1554, 13237), (1813, 11346), (1891, 10878), (2257, 9114), (2294, 8967), (2562, 8029), (2989, 6882), (3038, 6771), (3441, 5978), (3626, 5673), (3782, 5439), (4514, 4557)]