20246640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2954

約数の個数: 80

約数和(自身を含む): 64951200

約数和(自身を除く): 44704560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 2909, 3480, 5818, 6960, 8727, 11636, 14545, 17454, 23272, 29090, 34908, 43635, 46544, 58180, 69816, 84361, 87270, 116360, 139632, 168722, 174540, 232720, 253083, 337444, 349080, 421805, 506166, 674888, 698160, 843610, 1012332, 1265415, 1349776, 1687220, 2024664, 2530830, 3374440, 4049328, 5061660, 6748880, 10123320, 20246640]

約数ペア:

[(1, 20246640), (2, 10123320), (3, 6748880), (4, 5061660), (5, 4049328), (6, 3374440), (8, 2530830), (10, 2024664), (12, 1687220), (15, 1349776), (16, 1265415), (20, 1012332), (24, 843610), (29, 698160), (30, 674888), (40, 506166), (48, 421805), (58, 349080), (60, 337444), (80, 253083), (87, 232720), (116, 174540), (120, 168722), (145, 139632), (174, 116360), (232, 87270), (240, 84361), (290, 69816), (348, 58180), (435, 46544), (464, 43635), (580, 34908), (696, 29090), (870, 23272), (1160, 17454), (1392, 14545), (1740, 11636), (2320, 8727), (2909, 6960), (3480, 5818)]