20980416

素因数分解:

$2^6\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4751}}^1$

素因数の和:4789

約数の個数: 56

約数和(自身を含む): 57936384

約数和(自身を除く): 36955968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 138, 184, 192, 276, 368, 552, 736, 1104, 1472, 2208, 4416, 4751, 9502, 14253, 19004, 28506, 38008, 57012, 76016, 109273, 114024, 152032, 218546, 228048, 304064, 327819, 437092, 456096, 655638, 874184, 912192, 1311276, 1748368, 2622552, 3496736, 5245104, 6993472, 10490208, 20980416]

約数ペア:

[(1, 20980416), (2, 10490208), (3, 6993472), (4, 5245104), (6, 3496736), (8, 2622552), (12, 1748368), (16, 1311276), (23, 912192), (24, 874184), (32, 655638), (46, 456096), (48, 437092), (64, 327819), (69, 304064), (92, 228048), (96, 218546), (138, 152032), (184, 114024), (192, 109273), (276, 76016), (368, 57012), (552, 38008), (736, 28506), (1104, 19004), (1472, 14253), (2208, 9502), (4416, 4751)]