20563470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:551

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 35890290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 265, 270, 318, 405, 477, 479, 530, 795, 810, 954, 958, 1431, 1437, 1590, 2385, 2395, 2862, 2874, 4293, 4311, 4770, 4790, 7155, 7185, 8586, 8622, 12933, 14310, 14370, 21465, 21555, 25387, 25866, 38799, 42930, 43110, 50774, 64665, 76161, 77598, 126935, 129330, 152322, 193995, 228483, 253870, 380805, 387990, 456966, 685449, 761610, 1142415, 1370898, 2056347, 2284830, 3427245, 4112694, 6854490, 10281735, 20563470]

約数ペア:

[(1, 20563470), (2, 10281735), (3, 6854490), (5, 4112694), (6, 3427245), (9, 2284830), (10, 2056347), (15, 1370898), (18, 1142415), (27, 761610), (30, 685449), (45, 456966), (53, 387990), (54, 380805), (81, 253870), (90, 228483), (106, 193995), (135, 152322), (159, 129330), (162, 126935), (265, 77598), (270, 76161), (318, 64665), (405, 50774), (477, 43110), (479, 42930), (530, 38799), (795, 25866), (810, 25387), (954, 21555), (958, 21465), (1431, 14370), (1437, 14310), (1590, 12933), (2385, 8622), (2395, 8586), (2862, 7185), (2874, 7155), (4293, 4790), (4311, 4770)]