20327628724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{1901}}^1$

素因数の和:2153

約数の個数: 96

約数和(自身を含む): 41156236800

約数和(自身を除く): 20828608076

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 137, 158, 247, 274, 316, 494, 548, 988, 1027, 1501, 1781, 1901, 2054, 2603, 3002, 3562, 3802, 4108, 5206, 6004, 7124, 7604, 10412, 10823, 19513, 21646, 24713, 33839, 36119, 39026, 43292, 49426, 67678, 72238, 78052, 98852, 135356, 140699, 144476, 150179, 205637, 260437, 281398, 300358, 411274, 469547, 520874, 562796, 600716, 822548, 939094, 1041748, 1878188, 1952327, 2673281, 2853401, 3385681, 3904654, 4948303, 5346562, 5706802, 6771362, 7809308, 9896606, 10693124, 11413604, 13542724, 19793212, 20574523, 37094213, 41149046, 64327939, 74188426, 82298092, 128655878, 148376852, 257311756, 267468799, 390915937, 534937598, 781831874, 1069875196, 1563663748, 5081907181, 10163814362, 20327628724]

約数ペア:

[(1, 20327628724), (2, 10163814362), (4, 5081907181), (13, 1563663748), (19, 1069875196), (26, 781831874), (38, 534937598), (52, 390915937), (76, 267468799), (79, 257311756), (137, 148376852), (158, 128655878), (247, 82298092), (274, 74188426), (316, 64327939), (494, 41149046), (548, 37094213), (988, 20574523), (1027, 19793212), (1501, 13542724), (1781, 11413604), (1901, 10693124), (2054, 9896606), (2603, 7809308), (3002, 6771362), (3562, 5706802), (3802, 5346562), (4108, 4948303), (5206, 3904654), (6004, 3385681), (7124, 2853401), (7604, 2673281), (10412, 1952327), (10823, 1878188), (19513, 1041748), (21646, 939094), (24713, 822548), (33839, 600716), (36119, 562796), (39026, 520874), (43292, 469547), (49426, 411274), (67678, 300358), (72238, 281398), (78052, 260437), (98852, 205637), (135356, 150179), (140699, 144476)]