20635884080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{2837}}^1$

素因数の和:3307

約数の個数: 160

約数和(自身を含む): 56756367360

約数和(自身を除く): 36120483280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 419, 434, 496, 560, 620, 838, 868, 1085, 1240, 1676, 1736, 2095, 2170, 2480, 2837, 2933, 3352, 3472, 4190, 4340, 5674, 5866, 6704, 8380, 8680, 11348, 11732, 12989, 14185, 14665, 16760, 17360, 19859, 22696, 23464, 25978, 28370, 29330, 33520, 39718, 45392, 46928, 51956, 56740, 58660, 64945, 79436, 87947, 90923, 99295, 103912, 113480, 117320, 129890, 158872, 175894, 181846, 198590, 207824, 226960, 234640, 259780, 317744, 351788, 363692, 397180, 439735, 454615, 519560, 615629, 703576, 727384, 794360, 879470, 909230, 1039120, 1188703, 1231258, 1407152, 1454768, 1588720, 1758940, 1818460, 2377406, 2462516, 3078145, 3517880, 3636920, 4754812, 4925032, 5943515, 6156290, 7035760, 7273840, 8320921, 9509624, 9850064, 11887030, 12312580, 16641842, 19019248, 23774060, 24625160, 33283684, 36849793, 41604605, 47548120, 49250320, 66567368, 73699586, 83209210, 95096240, 133134736, 147399172, 166418420, 184248965, 257948551, 294798344, 332836840, 368497930, 515897102, 589596688, 665673680, 736995860, 1031794204, 1289742755, 1473991720, 2063588408, 2579485510, 2947983440, 4127176816, 5158971020, 10317942040, 20635884080]

約数ペア:

[(1, 20635884080), (2, 10317942040), (4, 5158971020), (5, 4127176816), (7, 2947983440), (8, 2579485510), (10, 2063588408), (14, 1473991720), (16, 1289742755), (20, 1031794204), (28, 736995860), (31, 665673680), (35, 589596688), (40, 515897102), (56, 368497930), (62, 332836840), (70, 294798344), (80, 257948551), (112, 184248965), (124, 166418420), (140, 147399172), (155, 133134736), (217, 95096240), (248, 83209210), (280, 73699586), (310, 66567368), (419, 49250320), (434, 47548120), (496, 41604605), (560, 36849793), (620, 33283684), (838, 24625160), (868, 23774060), (1085, 19019248), (1240, 16641842), (1676, 12312580), (1736, 11887030), (2095, 9850064), (2170, 9509624), (2480, 8320921), (2837, 7273840), (2933, 7035760), (3352, 6156290), (3472, 5943515), (4190, 4925032), (4340, 4754812), (5674, 3636920), (5866, 3517880), (6704, 3078145), (8380, 2462516), (8680, 2377406), (11348, 1818460), (11732, 1758940), (12989, 1588720), (14185, 1454768), (14665, 1407152), (16760, 1231258), (17360, 1188703), (19859, 1039120), (22696, 909230), (23464, 879470), (25978, 794360), (28370, 727384), (29330, 703576), (33520, 615629), (39718, 519560), (45392, 454615), (46928, 439735), (51956, 397180), (56740, 363692), (58660, 351788), (64945, 317744), (79436, 259780), (87947, 234640), (90923, 226960), (99295, 207824), (103912, 198590), (113480, 181846), (117320, 175894), (129890, 158872)]