20188692004

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{5501}}^1$

素因数の和:5681

約数の個数: 72

約数和(自身を含む): 39328185960

約数和(自身を除く): 19139493956

約数列:

[1, 2, 4, 13, 26, 52, 61, 89, 122, 169, 178, 244, 338, 356, 676, 793, 1157, 1586, 2314, 3172, 4628, 5429, 5501, 10309, 10858, 11002, 15041, 20618, 21716, 22004, 30082, 41236, 60164, 70577, 71513, 141154, 143026, 282308, 286052, 335561, 489589, 671122, 917501, 929669, 979178, 1342244, 1835002, 1859338, 1958356, 3670004, 3718676, 4362293, 6364657, 8724586, 12729314, 17449172, 25458628, 29864929, 56709809, 59729858, 82740541, 113419618, 119459716, 165481082, 226839236, 330962164, 388244077, 776488154, 1552976308, 5047173001, 10094346002, 20188692004]

約数ペア:

[(1, 20188692004), (2, 10094346002), (4, 5047173001), (13, 1552976308), (26, 776488154), (52, 388244077), (61, 330962164), (89, 226839236), (122, 165481082), (169, 119459716), (178, 113419618), (244, 82740541), (338, 59729858), (356, 56709809), (676, 29864929), (793, 25458628), (1157, 17449172), (1586, 12729314), (2314, 8724586), (3172, 6364657), (4628, 4362293), (5429, 3718676), (5501, 3670004), (10309, 1958356), (10858, 1859338), (11002, 1835002), (15041, 1342244), (20618, 979178), (21716, 929669), (22004, 917501), (30082, 671122), (41236, 489589), (60164, 335561), (70577, 286052), (71513, 282308), (141154, 143026)]