20121128136

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1931}}^1\times {\mathrm{2539}}^1$

素因数の和:4504

約数の個数: 128

約数和(自身を含む): 58887360000

約数和(自身を除く): 38766231864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 1931, 2052, 2539, 3862, 4104, 5078, 5793, 7617, 7724, 10156, 11586, 15234, 15448, 17379, 20312, 22851, 23172, 30468, 34758, 36689, 45702, 46344, 48241, 52137, 60936, 68553, 69516, 73378, 91404, 96482, 104274, 110067, 137106, 139032, 144723, 146756, 182808, 192964, 208548, 220134, 274212, 289446, 293512, 330201, 385928, 417096, 434169, 440268, 548424, 578892, 660402, 868338, 880536, 990603, 1157784, 1302507, 1320804, 1736676, 1981206, 2605014, 2641608, 3473352, 3962412, 4902809, 5210028, 7924824, 9805618, 10420056, 14708427, 19611236, 29416854, 39222472, 44125281, 58833708, 88250562, 93153371, 117667416, 132375843, 176501124, 186306742, 264751686, 279460113, 353002248, 372613484, 529503372, 558920226, 745226968, 838380339, 1059006744, 1117840452, 1676760678, 2235680904, 2515141017, 3353521356, 5030282034, 6707042712, 10060564068, 20121128136]

約数ペア:

[(1, 20121128136), (2, 10060564068), (3, 6707042712), (4, 5030282034), (6, 3353521356), (8, 2515141017), (9, 2235680904), (12, 1676760678), (18, 1117840452), (19, 1059006744), (24, 838380339), (27, 745226968), (36, 558920226), (38, 529503372), (54, 372613484), (57, 353002248), (72, 279460113), (76, 264751686), (108, 186306742), (114, 176501124), (152, 132375843), (171, 117667416), (216, 93153371), (228, 88250562), (342, 58833708), (456, 44125281), (513, 39222472), (684, 29416854), (1026, 19611236), (1368, 14708427), (1931, 10420056), (2052, 9805618), (2539, 7924824), (3862, 5210028), (4104, 4902809), (5078, 3962412), (5793, 3473352), (7617, 2641608), (7724, 2605014), (10156, 1981206), (11586, 1736676), (15234, 1320804), (15448, 1302507), (17379, 1157784), (20312, 990603), (22851, 880536), (23172, 868338), (30468, 660402), (34758, 578892), (36689, 548424), (45702, 440268), (46344, 434169), (48241, 417096), (52137, 385928), (60936, 330201), (68553, 293512), (69516, 289446), (73378, 274212), (91404, 220134), (96482, 208548), (104274, 192964), (110067, 182808), (137106, 146756), (139032, 144723)]