20990016

素因数分解:

$2^6\times 3^4\times {\mathrm{4049}}^1$

素因数の和:4073

約数の個数: 70

約数和(自身を含む): 62236350

約数和(自身を除く): 41246334

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 432, 576, 648, 864, 1296, 1728, 2592, 4049, 5184, 8098, 12147, 16196, 24294, 32392, 36441, 48588, 64784, 72882, 97176, 109323, 129568, 145764, 194352, 218646, 259136, 291528, 327969, 388704, 437292, 583056, 655938, 777408, 874584, 1166112, 1311876, 1749168, 2332224, 2623752, 3498336, 5247504, 6996672, 10495008, 20990016]

約数ペア:

[(1, 20990016), (2, 10495008), (3, 6996672), (4, 5247504), (6, 3498336), (8, 2623752), (9, 2332224), (12, 1749168), (16, 1311876), (18, 1166112), (24, 874584), (27, 777408), (32, 655938), (36, 583056), (48, 437292), (54, 388704), (64, 327969), (72, 291528), (81, 259136), (96, 218646), (108, 194352), (144, 145764), (162, 129568), (192, 109323), (216, 97176), (288, 72882), (324, 64784), (432, 48588), (576, 36441), (648, 32392), (864, 24294), (1296, 16196), (1728, 12147), (2592, 8098), (4049, 5184)]