20176517998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{10243}}^1$

素因数の和:10481

約数の個数: 64

約数和(自身を含む): 37999503360

約数和(自身を除く): 17822985362

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 137, 158, 182, 274, 553, 959, 1027, 1106, 1781, 1918, 2054, 3562, 7189, 10243, 10823, 12467, 14378, 20486, 21646, 24934, 71701, 75761, 133159, 140699, 143402, 151522, 266318, 281398, 809197, 932113, 984893, 1403291, 1618394, 1864226, 1969786, 2806582, 5664379, 9823037, 10519561, 11328758, 18242783, 19646074, 21039122, 36485566, 73636927, 110859989, 127699481, 147273854, 221719978, 255398962, 776019923, 1441179857, 1552039846, 2882359714, 10088258999, 20176517998]

約数ペア:

[(1, 20176517998), (2, 10088258999), (7, 2882359714), (13, 1552039846), (14, 1441179857), (26, 776019923), (79, 255398962), (91, 221719978), (137, 147273854), (158, 127699481), (182, 110859989), (274, 73636927), (553, 36485566), (959, 21039122), (1027, 19646074), (1106, 18242783), (1781, 11328758), (1918, 10519561), (2054, 9823037), (3562, 5664379), (7189, 2806582), (10243, 1969786), (10823, 1864226), (12467, 1618394), (14378, 1403291), (20486, 984893), (21646, 932113), (24934, 809197), (71701, 281398), (75761, 266318), (133159, 151522), (140699, 143402)]