20018999544

素因数分解:

$2^3\times 3^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1\times {\mathrm{12973}}^1$

素因数の和:13664

約数の個数: 64

約数和(自身を含む): 50583031200

約数和(自身を除く): 30564031656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 113, 226, 339, 452, 569, 678, 904, 1138, 1356, 1707, 2276, 2712, 3414, 4552, 6828, 12973, 13656, 25946, 38919, 51892, 64297, 77838, 103784, 128594, 155676, 192891, 257188, 311352, 385782, 514376, 771564, 1465949, 1543128, 2931898, 4397847, 5863796, 7381637, 8795694, 11727592, 14763274, 17591388, 22144911, 29526548, 35182776, 44289822, 59053096, 88579644, 177159288, 834124981, 1668249962, 2502374943, 3336499924, 5004749886, 6672999848, 10009499772, 20018999544]

約数ペア:

[(1, 20018999544), (2, 10009499772), (3, 6672999848), (4, 5004749886), (6, 3336499924), (8, 2502374943), (12, 1668249962), (24, 834124981), (113, 177159288), (226, 88579644), (339, 59053096), (452, 44289822), (569, 35182776), (678, 29526548), (904, 22144911), (1138, 17591388), (1356, 14763274), (1707, 11727592), (2276, 8795694), (2712, 7381637), (3414, 5863796), (4552, 4397847), (6828, 2931898), (12973, 1543128), (13656, 1465949), (25946, 771564), (38919, 514376), (51892, 385782), (64297, 311352), (77838, 257188), (103784, 192891), (128594, 155676)]