20047079208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{20747}}^1$

素因数の和:20951

約数の個数: 128

約数和(自身を含む): 57164889600

約数和(自身を除く): 37117810392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 163, 228, 247, 312, 326, 456, 489, 494, 652, 741, 978, 988, 1304, 1482, 1956, 1976, 2119, 2964, 3097, 3912, 4238, 5928, 6194, 6357, 8476, 9291, 12388, 12714, 16952, 18582, 20747, 24776, 25428, 37164, 40261, 41494, 50856, 62241, 74328, 80522, 82988, 120783, 124482, 161044, 165976, 241566, 248964, 269711, 322088, 394193, 483132, 497928, 539422, 788386, 809133, 966264, 1078844, 1182579, 1576772, 1618266, 2157688, 2365158, 3153544, 3236532, 3381761, 4730316, 5124509, 6473064, 6763522, 9460632, 10145283, 10249018, 13527044, 15373527, 20290566, 20498036, 27054088, 30747054, 40581132, 40996072, 43962893, 61494108, 64253459, 81162264, 87925786, 122988216, 128506918, 131888679, 175851572, 192760377, 257013836, 263777358, 351703144, 385520754, 514027672, 527554716, 771041508, 835294967, 1055109432, 1542083016, 1670589934, 2505884901, 3341179868, 5011769802, 6682359736, 10023539604, 20047079208]

約数ペア:

[(1, 20047079208), (2, 10023539604), (3, 6682359736), (4, 5011769802), (6, 3341179868), (8, 2505884901), (12, 1670589934), (13, 1542083016), (19, 1055109432), (24, 835294967), (26, 771041508), (38, 527554716), (39, 514027672), (52, 385520754), (57, 351703144), (76, 263777358), (78, 257013836), (104, 192760377), (114, 175851572), (152, 131888679), (156, 128506918), (163, 122988216), (228, 87925786), (247, 81162264), (312, 64253459), (326, 61494108), (456, 43962893), (489, 40996072), (494, 40581132), (652, 30747054), (741, 27054088), (978, 20498036), (988, 20290566), (1304, 15373527), (1482, 13527044), (1956, 10249018), (1976, 10145283), (2119, 9460632), (2964, 6763522), (3097, 6473064), (3912, 5124509), (4238, 4730316), (5928, 3381761), (6194, 3236532), (6357, 3153544), (8476, 2365158), (9291, 2157688), (12388, 1618266), (12714, 1576772), (16952, 1182579), (18582, 1078844), (20747, 966264), (24776, 809133), (25428, 788386), (37164, 539422), (40261, 497928), (41494, 483132), (50856, 394193), (62241, 322088), (74328, 269711), (80522, 248964), (82988, 241566), (120783, 165976), (124482, 161044)]