20396332012

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{739}}^1\times {\mathrm{2521}}^1$

素因数の和:3311

約数の個数: 96

約数和(自身を含む): 45149045760

約数和(自身を除く): 24752713748

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 739, 782, 1478, 1564, 2521, 2737, 2956, 5042, 5173, 5474, 10084, 10346, 10948, 12563, 16997, 17647, 20692, 25126, 33994, 35294, 42857, 50252, 57983, 67988, 70588, 85714, 87941, 115966, 118979, 171428, 175882, 231932, 237958, 288949, 299999, 351764, 405881, 475916, 577898, 599998, 811762, 985711, 1155796, 1199996, 1623524, 1863019, 1971422, 2022643, 3726038, 3942844, 4045286, 6899977, 7452076, 8090572, 13041133, 13799954, 26082266, 27599908, 31671323, 42849437, 52164532, 63342646, 85698874, 126685292, 171397748, 221699261, 299946059, 443398522, 599892118, 728440429, 886797044, 1199784236, 1456880858, 2913761716, 5099083003, 10198166006, 20396332012]

約数ペア:

[(1, 20396332012), (2, 10198166006), (4, 5099083003), (7, 2913761716), (14, 1456880858), (17, 1199784236), (23, 886797044), (28, 728440429), (34, 599892118), (46, 443398522), (68, 299946059), (92, 221699261), (119, 171397748), (161, 126685292), (238, 85698874), (322, 63342646), (391, 52164532), (476, 42849437), (644, 31671323), (739, 27599908), (782, 26082266), (1478, 13799954), (1564, 13041133), (2521, 8090572), (2737, 7452076), (2956, 6899977), (5042, 4045286), (5173, 3942844), (5474, 3726038), (10084, 2022643), (10346, 1971422), (10948, 1863019), (12563, 1623524), (16997, 1199996), (17647, 1155796), (20692, 985711), (25126, 811762), (33994, 599998), (35294, 577898), (42857, 475916), (50252, 405881), (57983, 351764), (67988, 299999), (70588, 288949), (85714, 237958), (87941, 231932), (115966, 175882), (118979, 171428)]