20147803808

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{223}}^2\times {\mathrm{1151}}^1$

素因数の和:1618

約数の個数: 72

約数和(自身を含む): 43504667136

約数和(自身を除く): 23356863328

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 223, 352, 446, 892, 1151, 1784, 2302, 2453, 3568, 4604, 4906, 7136, 9208, 9812, 12661, 18416, 19624, 25322, 36832, 39248, 49729, 50644, 78496, 99458, 101288, 198916, 202576, 256673, 397832, 405152, 513346, 547019, 795664, 1026692, 1094038, 1591328, 2053384, 2188076, 2823403, 4106768, 4376152, 5646806, 8213536, 8752304, 11293612, 17504608, 22587224, 45174448, 57238079, 90348896, 114476158, 228952316, 457904632, 629618869, 915809264, 1259237738, 1831618528, 2518475476, 5036950952, 10073901904, 20147803808]

約数ペア:

[(1, 20147803808), (2, 10073901904), (4, 5036950952), (8, 2518475476), (11, 1831618528), (16, 1259237738), (22, 915809264), (32, 629618869), (44, 457904632), (88, 228952316), (176, 114476158), (223, 90348896), (352, 57238079), (446, 45174448), (892, 22587224), (1151, 17504608), (1784, 11293612), (2302, 8752304), (2453, 8213536), (3568, 5646806), (4604, 4376152), (4906, 4106768), (7136, 2823403), (9208, 2188076), (9812, 2053384), (12661, 1591328), (18416, 1094038), (19624, 1026692), (25322, 795664), (36832, 547019), (39248, 513346), (49729, 405152), (50644, 397832), (78496, 256673), (99458, 202576), (101288, 198916)]