20268592

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1181

約数の個数: 40

約数和(自身を含む): 42053360

約数和(自身を除く): 21784768

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1093, 1159, 2186, 2318, 4372, 4636, 8744, 9272, 17488, 18544, 20767, 41534, 66673, 83068, 133346, 166136, 266692, 332272, 533384, 1066768, 1266787, 2533574, 5067148, 10134296, 20268592]

約数ペア:

[(1, 20268592), (2, 10134296), (4, 5067148), (8, 2533574), (16, 1266787), (19, 1066768), (38, 533384), (61, 332272), (76, 266692), (122, 166136), (152, 133346), (244, 83068), (304, 66673), (488, 41534), (976, 20767), (1093, 18544), (1159, 17488), (2186, 9272), (2318, 8744), (4372, 4636)]