20036691359960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{4159}}^1\times {\mathrm{61169}}^1$

素因数の和:65529

約数の個数: 128

約数和(自身を含む): 49468423680000

約数和(自身を除く): 29431732320040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 716, 895, 1432, 1790, 1969, 3580, 3938, 4159, 7160, 7876, 8318, 9845, 15752, 16636, 19690, 20795, 33272, 39380, 41590, 45749, 61169, 78760, 83180, 91498, 122338, 166360, 182996, 228745, 244676, 305845, 365992, 457490, 489352, 611690, 672859, 744461, 914980, 1223380, 1345718, 1488922, 1829960, 2446760, 2691436, 2977844, 3364295, 3722305, 5382872, 5955688, 6728590, 7444610, 8189071, 10949251, 13457180, 14889220, 16378142, 21898502, 26914360, 29778440, 32756284, 40945355, 43797004, 54746255, 65512568, 81890710, 87594008, 109492510, 120441761, 163781420, 218985020, 240883522, 254401871, 327562840, 437970040, 481767044, 508803742, 602208805, 963534088, 1017607484, 1204417610, 1272009355, 2035214968, 2408835220, 2544018710, 2798420581, 4817670440, 5088037420, 5596841162, 10176074840, 11193682324, 13992102905, 22387364648, 27984205810, 45537934909, 55968411620, 91075869818, 111936823240, 182151739636, 227689674545, 364303479272, 455379349090, 500917283999, 910758698180, 1001834567998, 1821517396360, 2003669135996, 2504586419995, 4007338271992, 5009172839990, 10018345679980, 20036691359960]

約数ペア:

[(1, 20036691359960), (2, 10018345679980), (4, 5009172839990), (5, 4007338271992), (8, 2504586419995), (10, 2003669135996), (11, 1821517396360), (20, 1001834567998), (22, 910758698180), (40, 500917283999), (44, 455379349090), (55, 364303479272), (88, 227689674545), (110, 182151739636), (179, 111936823240), (220, 91075869818), (358, 55968411620), (440, 45537934909), (716, 27984205810), (895, 22387364648), (1432, 13992102905), (1790, 11193682324), (1969, 10176074840), (3580, 5596841162), (3938, 5088037420), (4159, 4817670440), (7160, 2798420581), (7876, 2544018710), (8318, 2408835220), (9845, 2035214968), (15752, 1272009355), (16636, 1204417610), (19690, 1017607484), (20795, 963534088), (33272, 602208805), (39380, 508803742), (41590, 481767044), (45749, 437970040), (61169, 327562840), (78760, 254401871), (83180, 240883522), (91498, 218985020), (122338, 163781420), (166360, 120441761), (182996, 109492510), (228745, 87594008), (244676, 81890710), (305845, 65512568), (365992, 54746255), (457490, 43797004), (489352, 40945355), (611690, 32756284), (672859, 29778440), (744461, 26914360), (914980, 21898502), (1223380, 16378142), (1345718, 14889220), (1488922, 13457180), (1829960, 10949251), (2446760, 8189071), (2691436, 7444610), (2977844, 6728590), (3364295, 5955688), (3722305, 5382872)]