20163856878

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1255

約数の個数: 128

約数和(自身を含む): 49430476800

約数和(自身を除く): 29266619922

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 173, 198, 239, 297, 346, 478, 519, 594, 717, 821, 1038, 1434, 1557, 1642, 1903, 2151, 2463, 2629, 3114, 3806, 4302, 4671, 4926, 5258, 5709, 6453, 7389, 7887, 9031, 9342, 11418, 12906, 14778, 15774, 17127, 18062, 22167, 23661, 27093, 34254, 41347, 44334, 47322, 51381, 54186, 70983, 81279, 82694, 102762, 124041, 141966, 142033, 162558, 196219, 243837, 248082, 284066, 372123, 392438, 426099, 454817, 487674, 588657, 744246, 852198, 909634, 1116369, 1177314, 1278297, 1364451, 1562363, 1765971, 2158409, 2232738, 2556594, 2728902, 3124726, 3531942, 3834891, 4093353, 4316818, 4687089, 5297913, 6475227, 7669782, 8186706, 9374178, 10595826, 12280059, 12950454, 14061267, 19425681, 24560118, 28122534, 33945887, 38851362, 42183801, 58277043, 67891774, 84367602, 101837661, 116554086, 203675322, 305512983, 373404757, 611025966, 746809514, 916538949, 1120214271, 1833077898, 2240428542, 3360642813, 6721285626, 10081928439, 20163856878]

約数ペア:

[(1, 20163856878), (2, 10081928439), (3, 6721285626), (6, 3360642813), (9, 2240428542), (11, 1833077898), (18, 1120214271), (22, 916538949), (27, 746809514), (33, 611025966), (54, 373404757), (66, 305512983), (99, 203675322), (173, 116554086), (198, 101837661), (239, 84367602), (297, 67891774), (346, 58277043), (478, 42183801), (519, 38851362), (594, 33945887), (717, 28122534), (821, 24560118), (1038, 19425681), (1434, 14061267), (1557, 12950454), (1642, 12280059), (1903, 10595826), (2151, 9374178), (2463, 8186706), (2629, 7669782), (3114, 6475227), (3806, 5297913), (4302, 4687089), (4671, 4316818), (4926, 4093353), (5258, 3834891), (5709, 3531942), (6453, 3124726), (7389, 2728902), (7887, 2556594), (9031, 2232738), (9342, 2158409), (11418, 1765971), (12906, 1562363), (14778, 1364451), (15774, 1278297), (17127, 1177314), (18062, 1116369), (22167, 909634), (23661, 852198), (27093, 744246), (34254, 588657), (41347, 487674), (44334, 454817), (47322, 426099), (51381, 392438), (54186, 372123), (70983, 284066), (81279, 248082), (82694, 243837), (102762, 196219), (124041, 162558), (141966, 142033)]