20120778536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1061}}^1$

素因数の和:1323

約数の個数: 128

約数和(自身を含む): 43355088000

約数和(自身を除く): 23234309464

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 41, 68, 76, 82, 136, 152, 164, 179, 323, 328, 358, 646, 697, 716, 779, 1061, 1292, 1394, 1432, 1558, 2122, 2584, 2788, 3043, 3116, 3401, 4244, 5576, 6086, 6232, 6802, 7339, 8488, 12172, 13243, 13604, 14678, 18037, 20159, 24344, 26486, 27208, 29356, 36074, 40318, 43501, 52972, 57817, 58712, 72148, 80636, 87002, 105944, 115634, 124763, 139441, 144296, 161272, 174004, 189919, 231268, 249526, 278882, 342703, 348008, 379838, 462536, 499052, 557764, 685406, 739517, 759676, 826519, 998104, 1115528, 1370812, 1479034, 1519352, 1653038, 2370497, 2741624, 2958068, 3228623, 3306076, 3608461, 4740994, 5916136, 6457246, 6612152, 7216922, 7786679, 9481988, 12914492, 14050823, 14433844, 15573358, 18963976, 25828984, 28101646, 28867688, 31146716, 56203292, 61343837, 62293432, 112406584, 122687674, 132373543, 147946901, 245375348, 264747086, 295893802, 490750696, 529494172, 591787604, 1058988344, 1183575208, 2515097317, 5030194634, 10060389268, 20120778536]

約数ペア:

[(1, 20120778536), (2, 10060389268), (4, 5030194634), (8, 2515097317), (17, 1183575208), (19, 1058988344), (34, 591787604), (38, 529494172), (41, 490750696), (68, 295893802), (76, 264747086), (82, 245375348), (136, 147946901), (152, 132373543), (164, 122687674), (179, 112406584), (323, 62293432), (328, 61343837), (358, 56203292), (646, 31146716), (697, 28867688), (716, 28101646), (779, 25828984), (1061, 18963976), (1292, 15573358), (1394, 14433844), (1432, 14050823), (1558, 12914492), (2122, 9481988), (2584, 7786679), (2788, 7216922), (3043, 6612152), (3116, 6457246), (3401, 5916136), (4244, 4740994), (5576, 3608461), (6086, 3306076), (6232, 3228623), (6802, 2958068), (7339, 2741624), (8488, 2370497), (12172, 1653038), (13243, 1519352), (13604, 1479034), (14678, 1370812), (18037, 1115528), (20159, 998104), (24344, 826519), (26486, 759676), (27208, 739517), (29356, 685406), (36074, 557764), (40318, 499052), (43501, 462536), (52972, 379838), (57817, 348008), (58712, 342703), (72148, 278882), (80636, 249526), (87002, 231268), (105944, 189919), (115634, 174004), (124763, 161272), (139441, 144296)]