20187899892

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{39163}}^1$

素因数の和:39259

約数の個数: 120

約数和(自身を含む): 55463430176

約数和(自身を除く): 35275530284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 43, 54, 74, 81, 86, 108, 111, 129, 148, 162, 172, 222, 258, 324, 333, 387, 444, 516, 666, 774, 999, 1161, 1332, 1548, 1591, 1998, 2322, 2997, 3182, 3483, 3996, 4644, 4773, 5994, 6364, 6966, 9546, 11988, 13932, 14319, 19092, 28638, 39163, 42957, 57276, 78326, 85914, 117489, 128871, 156652, 171828, 234978, 257742, 352467, 469956, 515484, 704934, 1057401, 1409868, 1449031, 1684009, 2114802, 2898062, 3172203, 3368018, 4229604, 4347093, 5052027, 5796124, 6344406, 6736036, 8694186, 10104054, 12688812, 13041279, 15156081, 17388372, 20208108, 26082558, 30312162, 39123837, 45468243, 52165116, 60624324, 62308333, 78247674, 90936486, 117371511, 124616666, 136404729, 156495348, 181872972, 186924999, 234743022, 249233332, 272809458, 373849998, 469486044, 545618916, 560774997, 747699996, 1121549994, 1682324991, 2243099988, 3364649982, 5046974973, 6729299964, 10093949946, 20187899892]

約数ペア:

[(1, 20187899892), (2, 10093949946), (3, 6729299964), (4, 5046974973), (6, 3364649982), (9, 2243099988), (12, 1682324991), (18, 1121549994), (27, 747699996), (36, 560774997), (37, 545618916), (43, 469486044), (54, 373849998), (74, 272809458), (81, 249233332), (86, 234743022), (108, 186924999), (111, 181872972), (129, 156495348), (148, 136404729), (162, 124616666), (172, 117371511), (222, 90936486), (258, 78247674), (324, 62308333), (333, 60624324), (387, 52165116), (444, 45468243), (516, 39123837), (666, 30312162), (774, 26082558), (999, 20208108), (1161, 17388372), (1332, 15156081), (1548, 13041279), (1591, 12688812), (1998, 10104054), (2322, 8694186), (2997, 6736036), (3182, 6344406), (3483, 5796124), (3996, 5052027), (4644, 4347093), (4773, 4229604), (5994, 3368018), (6364, 3172203), (6966, 2898062), (9546, 2114802), (11988, 1684009), (13932, 1449031), (14319, 1409868), (19092, 1057401), (28638, 704934), (39163, 515484), (42957, 469956), (57276, 352467), (78326, 257742), (85914, 234978), (117489, 171828), (128871, 156652)]