20176070968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1\times {\mathrm{4877}}^1$

素因数の和:6520

約数の個数: 64

約数和(自身を含む): 42198602400

約数和(自身を除く): 22022531432

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 1601, 2584, 3202, 4877, 6404, 9754, 12808, 19508, 27217, 30419, 39016, 54434, 60838, 82909, 92663, 108868, 121676, 165818, 185326, 217736, 243352, 331636, 370652, 517123, 663272, 741304, 1034246, 1575271, 2068492, 3150542, 4136984, 6301084, 7808077, 12602168, 15616154, 31232308, 62464616, 132737309, 148353463, 265474618, 296706926, 530949236, 593413852, 1061898472, 1186827704, 2522008871, 5044017742, 10088035484, 20176070968]

約数ペア:

[(1, 20176070968), (2, 10088035484), (4, 5044017742), (8, 2522008871), (17, 1186827704), (19, 1061898472), (34, 593413852), (38, 530949236), (68, 296706926), (76, 265474618), (136, 148353463), (152, 132737309), (323, 62464616), (646, 31232308), (1292, 15616154), (1601, 12602168), (2584, 7808077), (3202, 6301084), (4877, 4136984), (6404, 3150542), (9754, 2068492), (12808, 1575271), (19508, 1034246), (27217, 741304), (30419, 663272), (39016, 517123), (54434, 370652), (60838, 331636), (82909, 243352), (92663, 217736), (108868, 185326), (121676, 165818)]