20589292.000000000

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2657}}^1$

素因数の和:2847

約数の個数: 72

約数和(自身を含む): 714023856

約数和(自身を除く): 448972164

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 163, 204, 306, 326, 489, 612, 652, 978, 1467, 1956, 2657, 2771, 2934, 5314, 5542, 5868, 7971, 8313, 10628, 11084, 15942, 16626, 23913, 24939, 31884, 33252, 45169, 47826, 49878, 90338, 95652, 99756, 135507, 180676, 271014, 406521, 433091, 542028, 813042, 866182, 1299273, 1626084, 1732364, 2598546, 3897819, 5197092, 7362547, 7795638, 14725094, 15591276, 22087641, 29450188, 44175282, 66262923, 88350564, 132525846, 265051692]

約数ペア:

[(1, 265051692), (2, 132525846), (3, 88350564), (4, 66262923), (6, 44175282), (9, 29450188), (12, 22087641), (17, 15591276), (18, 14725094), (34, 7795638), (36, 7362547), (51, 5197092), (68, 3897819), (102, 2598546), (153, 1732364), (163, 1626084), (204, 1299273), (306, 866182), (326, 813042), (489, 542028), (612, 433091), (652, 406521), (978, 271014), (1467, 180676), (1956, 135507), (2657, 99756), (2771, 95652), (2934, 90338), (5314, 49878), (5542, 47826), (5868, 45169), (7971, 33252), (8313, 31884), (10628, 24939), (11084, 23913), (15942, 16626)]