20028528

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:863

約数の個数: 90

約数和(自身を含む): 60769176

約数和(自身を除く): 40740648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 823, 936, 1014, 1352, 1521, 1646, 1872, 2028, 2469, 2704, 3042, 3292, 4056, 4938, 6084, 6584, 7407, 8112, 9876, 10699, 12168, 13168, 14814, 19752, 21398, 24336, 29628, 32097, 39504, 42796, 59256, 64194, 85592, 96291, 118512, 128388, 139087, 171184, 192582, 256776, 278174, 385164, 417261, 513552, 556348, 770328, 834522, 1112696, 1251783, 1540656, 1669044, 2225392, 2503566, 3338088, 5007132, 6676176, 10014264, 20028528]

約数ペア:

[(1, 20028528), (2, 10014264), (3, 6676176), (4, 5007132), (6, 3338088), (8, 2503566), (9, 2225392), (12, 1669044), (13, 1540656), (16, 1251783), (18, 1112696), (24, 834522), (26, 770328), (36, 556348), (39, 513552), (48, 417261), (52, 385164), (72, 278174), (78, 256776), (104, 192582), (117, 171184), (144, 139087), (156, 128388), (169, 118512), (208, 96291), (234, 85592), (312, 64194), (338, 59256), (468, 42796), (507, 39504), (624, 32097), (676, 29628), (823, 24336), (936, 21398), (1014, 19752), (1352, 14814), (1521, 13168), (1646, 12168), (1872, 10699), (2028, 9876), (2469, 8112), (2704, 7407), (3042, 6584), (3292, 6084), (4056, 4938)]