20121288

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 55296000

約数和(自身を除く): 35174712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 199, 264, 383, 398, 597, 766, 796, 1149, 1194, 1532, 1592, 2189, 2298, 2388, 3064, 4213, 4378, 4596, 4776, 6567, 8426, 8756, 9192, 12639, 13134, 16852, 17512, 25278, 26268, 33704, 50556, 52536, 76217, 101112, 152434, 228651, 304868, 457302, 609736, 838387, 914604, 1676774, 1829208, 2515161, 3353548, 5030322, 6707096, 10060644, 20121288]

約数ペア:

[(1, 20121288), (2, 10060644), (3, 6707096), (4, 5030322), (6, 3353548), (8, 2515161), (11, 1829208), (12, 1676774), (22, 914604), (24, 838387), (33, 609736), (44, 457302), (66, 304868), (88, 228651), (132, 152434), (199, 101112), (264, 76217), (383, 52536), (398, 50556), (597, 33704), (766, 26268), (796, 25278), (1149, 17512), (1194, 16852), (1532, 13134), (1592, 12639), (2189, 9192), (2298, 8756), (2388, 8426), (3064, 6567), (4213, 4776), (4378, 4596)]