20700540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2347}}^1$

素因数の和:2376

約数の個数: 108

約数和(自身を含む): 73074456

約数和(自身を除く): 52373916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2347, 2940, 4410, 4694, 7041, 8820, 9388, 11735, 14082, 16429, 21123, 23470, 28164, 32858, 35205, 42246, 46940, 49287, 65716, 70410, 82145, 84492, 98574, 105615, 115003, 140820, 147861, 164290, 197148, 211230, 230006, 246435, 295722, 328580, 345009, 422460, 460012, 492870, 575015, 591444, 690018, 739305, 985740, 1035027, 1150030, 1380036, 1478610, 1725045, 2070054, 2300060, 2957220, 3450090, 4140108, 5175135, 6900180, 10350270, 20700540]

約数ペア:

[(1, 20700540), (2, 10350270), (3, 6900180), (4, 5175135), (5, 4140108), (6, 3450090), (7, 2957220), (9, 2300060), (10, 2070054), (12, 1725045), (14, 1478610), (15, 1380036), (18, 1150030), (20, 1035027), (21, 985740), (28, 739305), (30, 690018), (35, 591444), (36, 575015), (42, 492870), (45, 460012), (49, 422460), (60, 345009), (63, 328580), (70, 295722), (84, 246435), (90, 230006), (98, 211230), (105, 197148), (126, 164290), (140, 147861), (147, 140820), (180, 115003), (196, 105615), (210, 98574), (245, 84492), (252, 82145), (294, 70410), (315, 65716), (420, 49287), (441, 46940), (490, 42246), (588, 35205), (630, 32858), (735, 28164), (882, 23470), (980, 21123), (1260, 16429), (1470, 14082), (1764, 11735), (2205, 9388), (2347, 8820), (2940, 7041), (4410, 4694)]