20238780976

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 42737420880

約数和(自身を除く): 22498639904

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 269, 272, 289, 307, 424, 538, 578, 614, 848, 901, 1076, 1156, 1228, 1802, 2152, 2312, 2456, 3604, 4304, 4573, 4624, 4912, 5219, 7208, 9146, 10438, 14257, 14416, 15317, 16271, 18292, 20876, 28514, 30634, 32542, 36584, 41752, 57028, 61268, 65084, 73168, 77741, 82583, 83504, 88723, 114056, 122536, 130168, 155482, 165166, 177446, 228112, 242369, 245072, 260336, 276607, 310964, 330332, 354892, 484738, 553214, 621928, 660664, 709784, 969476, 1106428, 1243856, 1321328, 1403911, 1419568, 1938952, 2212856, 2807822, 3877904, 4120273, 4376899, 4425712, 4702319, 5615644, 8240546, 8753798, 9404638, 11231288, 16481092, 17507596, 18809276, 22462576, 23866487, 32962184, 35015192, 37618552, 47732974, 65924368, 70030384, 74407283, 75237104, 95465948, 148814566, 190931896, 297629132, 381863792, 595258264, 1190516528, 1264923811, 2529847622, 5059695244, 10119390488, 20238780976]

約数ペア:

[(1, 20238780976), (2, 10119390488), (4, 5059695244), (8, 2529847622), (16, 1264923811), (17, 1190516528), (34, 595258264), (53, 381863792), (68, 297629132), (106, 190931896), (136, 148814566), (212, 95465948), (269, 75237104), (272, 74407283), (289, 70030384), (307, 65924368), (424, 47732974), (538, 37618552), (578, 35015192), (614, 32962184), (848, 23866487), (901, 22462576), (1076, 18809276), (1156, 17507596), (1228, 16481092), (1802, 11231288), (2152, 9404638), (2312, 8753798), (2456, 8240546), (3604, 5615644), (4304, 4702319), (4573, 4425712), (4624, 4376899), (4912, 4120273), (5219, 3877904), (7208, 2807822), (9146, 2212856), (10438, 1938952), (14257, 1419568), (14416, 1403911), (15317, 1321328), (16271, 1243856), (18292, 1106428), (20876, 969476), (28514, 709784), (30634, 660664), (32542, 621928), (36584, 553214), (41752, 484738), (57028, 354892), (61268, 330332), (65084, 310964), (73168, 276607), (77741, 260336), (82583, 245072), (83504, 242369), (88723, 228112), (114056, 177446), (122536, 165166), (130168, 155482)]