20789728218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{5801}}^1$

素因数の和:6337

約数の個数: 128

約数和(自身を含む): 55699200000

約数和(自身を除く): 34909471782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 499, 513, 798, 998, 1026, 1197, 1497, 2394, 2994, 3493, 3591, 4491, 5801, 6986, 7182, 8982, 9481, 10479, 11602, 13473, 17403, 18962, 20958, 26946, 28443, 31437, 34806, 40607, 52209, 56886, 62874, 66367, 81214, 85329, 94311, 104418, 110219, 121821, 132734, 156627, 170658, 188622, 199101, 220438, 243642, 255987, 313254, 330657, 365463, 398202, 511974, 597303, 661314, 730926, 771533, 991971, 1096389, 1194606, 1543066, 1791909, 1983942, 2192778, 2314599, 2894699, 2975913, 3583818, 4629198, 5789398, 5951826, 6943797, 8684097, 13887594, 17368194, 20262893, 20831391, 26052291, 40525786, 41662782, 52104582, 54999281, 60788679, 78156873, 109998562, 121577358, 156313746, 164997843, 182366037, 329995686, 364732074, 384994967, 494993529, 547098111, 769989934, 989987058, 1094196222, 1154984901, 1484980587, 2309969802, 2969961174, 3464954703, 6929909406, 10394864109, 20789728218]

約数ペア:

[(1, 20789728218), (2, 10394864109), (3, 6929909406), (6, 3464954703), (7, 2969961174), (9, 2309969802), (14, 1484980587), (18, 1154984901), (19, 1094196222), (21, 989987058), (27, 769989934), (38, 547098111), (42, 494993529), (54, 384994967), (57, 364732074), (63, 329995686), (114, 182366037), (126, 164997843), (133, 156313746), (171, 121577358), (189, 109998562), (266, 78156873), (342, 60788679), (378, 54999281), (399, 52104582), (499, 41662782), (513, 40525786), (798, 26052291), (998, 20831391), (1026, 20262893), (1197, 17368194), (1497, 13887594), (2394, 8684097), (2994, 6943797), (3493, 5951826), (3591, 5789398), (4491, 4629198), (5801, 3583818), (6986, 2975913), (7182, 2894699), (8982, 2314599), (9481, 2192778), (10479, 1983942), (11602, 1791909), (13473, 1543066), (17403, 1194606), (18962, 1096389), (20958, 991971), (26946, 771533), (28443, 730926), (31437, 661314), (34806, 597303), (40607, 511974), (52209, 398202), (56886, 365463), (62874, 330657), (66367, 313254), (81214, 255987), (85329, 243642), (94311, 220438), (104418, 199101), (110219, 188622), (121821, 170658), (132734, 156627)]