20197523815

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{112249}}^1$

素因数の和:112411

約数の個数: 32

約数和(自身を含む): 28513296000

約数和(自身を除く): 8315772185

約数列:

[1, 5, 7, 35, 53, 97, 265, 371, 485, 679, 1855, 3395, 5141, 25705, 35987, 112249, 179935, 561245, 785743, 3928715, 5949197, 10888153, 29745985, 41644379, 54440765, 76217071, 208221895, 381085355, 577072109, 2885360545, 4039504763, 20197523815]

約数ペア:

[(1, 20197523815), (5, 4039504763), (7, 2885360545), (35, 577072109), (53, 381085355), (97, 208221895), (265, 76217071), (371, 54440765), (485, 41644379), (679, 29745985), (1855, 10888153), (3395, 5949197), (5141, 3928715), (25705, 785743), (35987, 561245), (112249, 179935)]