20327168628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{3373}}^1$

素因数の和:3638

約数の個数: 144

約数和(自身を含む): 56396005120

約数和(自身を除く): 36068836492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 163, 234, 237, 316, 326, 468, 474, 489, 652, 711, 948, 978, 1027, 1422, 1467, 1956, 2054, 2119, 2844, 2934, 3081, 3373, 4108, 4238, 5868, 6162, 6357, 6746, 8476, 9243, 10119, 12324, 12714, 12877, 13492, 18486, 19071, 20238, 25428, 25754, 30357, 36972, 38142, 38631, 40476, 43849, 51508, 60714, 76284, 77262, 87698, 115893, 121428, 131547, 154524, 167401, 175396, 231786, 263094, 266467, 334802, 394641, 463572, 502203, 526188, 532934, 549799, 669604, 789282, 799401, 1004406, 1065868, 1099598, 1506609, 1578564, 1598802, 1649397, 2008812, 2199196, 2398203, 3013218, 3197604, 3298794, 3464071, 4796406, 4948191, 6026436, 6597588, 6928142, 7147387, 9592812, 9896382, 10392213, 13856284, 14294774, 19792764, 20784426, 21442161, 28589548, 31176639, 41568852, 42884322, 43434121, 62353278, 64326483, 85768644, 86868242, 124706556, 128652966, 130302363, 173736484, 257305932, 260604726, 390907089, 521209452, 564643573, 781814178, 1129287146, 1563628356, 1693930719, 2258574292, 3387861438, 5081792157, 6775722876, 10163584314, 20327168628]

約数ペア:

[(1, 20327168628), (2, 10163584314), (3, 6775722876), (4, 5081792157), (6, 3387861438), (9, 2258574292), (12, 1693930719), (13, 1563628356), (18, 1129287146), (26, 781814178), (36, 564643573), (39, 521209452), (52, 390907089), (78, 260604726), (79, 257305932), (117, 173736484), (156, 130302363), (158, 128652966), (163, 124706556), (234, 86868242), (237, 85768644), (316, 64326483), (326, 62353278), (468, 43434121), (474, 42884322), (489, 41568852), (652, 31176639), (711, 28589548), (948, 21442161), (978, 20784426), (1027, 19792764), (1422, 14294774), (1467, 13856284), (1956, 10392213), (2054, 9896382), (2119, 9592812), (2844, 7147387), (2934, 6928142), (3081, 6597588), (3373, 6026436), (4108, 4948191), (4238, 4796406), (5868, 3464071), (6162, 3298794), (6357, 3197604), (6746, 3013218), (8476, 2398203), (9243, 2199196), (10119, 2008812), (12324, 1649397), (12714, 1598802), (12877, 1578564), (13492, 1506609), (18486, 1099598), (19071, 1065868), (20238, 1004406), (25428, 799401), (25754, 789282), (30357, 669604), (36972, 549799), (38142, 532934), (38631, 526188), (40476, 502203), (43849, 463572), (51508, 394641), (60714, 334802), (76284, 266467), (77262, 263094), (87698, 231786), (115893, 175396), (121428, 167401), (131547, 154524)]