20167960967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 26257996800

約数和(自身を除く): 6090035833

約数列:

[1, 7, 11, 41, 77, 89, 179, 287, 401, 451, 623, 979, 1253, 1969, 2807, 3157, 3649, 4411, 6853, 7339, 13783, 15931, 16441, 25543, 30877, 35689, 40139, 51373, 71779, 80729, 111517, 115087, 175241, 180851, 249823, 280973, 392579, 502453, 565103, 653171, 789569, 1226687, 1265957, 1463249, 2748053, 2942939, 4572197, 5526983, 6388331, 7184881, 10242743, 16095739, 20600573, 32372329, 44718317, 50294167, 70271641, 112670173, 226606303, 261921571, 491901487, 1833450997, 2881137281, 20167960967]

約数ペア:

[(1, 20167960967), (7, 2881137281), (11, 1833450997), (41, 491901487), (77, 261921571), (89, 226606303), (179, 112670173), (287, 70271641), (401, 50294167), (451, 44718317), (623, 32372329), (979, 20600573), (1253, 16095739), (1969, 10242743), (2807, 7184881), (3157, 6388331), (3649, 5526983), (4411, 4572197), (6853, 2942939), (7339, 2748053), (13783, 1463249), (15931, 1265957), (16441, 1226687), (25543, 789569), (30877, 653171), (35689, 565103), (40139, 502453), (51373, 392579), (71779, 280973), (80729, 249823), (111517, 180851), (115087, 175241)]