20703144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 47725656

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 66, 68, 77, 84, 88, 102, 119, 132, 136, 154, 168, 187, 204, 231, 238, 264, 308, 357, 374, 408, 462, 476, 561, 616, 659, 714, 748, 924, 952, 1122, 1309, 1318, 1428, 1496, 1848, 1977, 2244, 2618, 2636, 2856, 3927, 3954, 4488, 4613, 5236, 5272, 7249, 7854, 7908, 9226, 10472, 11203, 13839, 14498, 15708, 15816, 18452, 21747, 22406, 27678, 28996, 31416, 33609, 36904, 43494, 44812, 50743, 55356, 57992, 67218, 78421, 86988, 89624, 101486, 110712, 123233, 134436, 152229, 156842, 173976, 202972, 235263, 246466, 268872, 304458, 313684, 369699, 405944, 470526, 492932, 608916, 627368, 739398, 862631, 941052, 985864, 1217832, 1478796, 1725262, 1882104, 2587893, 2957592, 3450524, 5175786, 6901048, 10351572, 20703144]

約数ペア:

[(1, 20703144), (2, 10351572), (3, 6901048), (4, 5175786), (6, 3450524), (7, 2957592), (8, 2587893), (11, 1882104), (12, 1725262), (14, 1478796), (17, 1217832), (21, 985864), (22, 941052), (24, 862631), (28, 739398), (33, 627368), (34, 608916), (42, 492932), (44, 470526), (51, 405944), (56, 369699), (66, 313684), (68, 304458), (77, 268872), (84, 246466), (88, 235263), (102, 202972), (119, 173976), (132, 156842), (136, 152229), (154, 134436), (168, 123233), (187, 110712), (204, 101486), (231, 89624), (238, 86988), (264, 78421), (308, 67218), (357, 57992), (374, 55356), (408, 50743), (462, 44812), (476, 43494), (561, 36904), (616, 33609), (659, 31416), (714, 28996), (748, 27678), (924, 22406), (952, 21747), (1122, 18452), (1309, 15816), (1318, 15708), (1428, 14498), (1496, 13839), (1848, 11203), (1977, 10472), (2244, 9226), (2618, 7908), (2636, 7854), (2856, 7249), (3927, 5272), (3954, 5236), (4488, 4613)]