20199693404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{42821}}^1$

素因数の和:43058

約数の個数: 48

約数和(自身を含む): 39366093312

約数和(自身を除く): 19166399908

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 151, 284, 302, 604, 781, 1562, 1661, 3124, 3322, 6644, 10721, 21442, 42821, 42884, 85642, 117931, 171284, 235862, 471031, 471724, 942062, 1884124, 3040291, 6080582, 6465971, 12161164, 12931942, 25863884, 33443201, 66886402, 71125681, 133772804, 142251362, 284502724, 459083941, 918167882, 1836335764, 5049923351, 10099846702, 20199693404]

約数ペア:

[(1, 20199693404), (2, 10099846702), (4, 5049923351), (11, 1836335764), (22, 918167882), (44, 459083941), (71, 284502724), (142, 142251362), (151, 133772804), (284, 71125681), (302, 66886402), (604, 33443201), (781, 25863884), (1562, 12931942), (1661, 12161164), (3124, 6465971), (3322, 6080582), (6644, 3040291), (10721, 1884124), (21442, 942062), (42821, 471724), (42884, 471031), (85642, 235862), (117931, 171284)]