20101696

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 56

約数和(自身を含む): 42834560

約数和(自身を除く): 22732864

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 152, 244, 271, 304, 488, 542, 608, 976, 1084, 1159, 1216, 1952, 2168, 2318, 3904, 4336, 4636, 5149, 8672, 9272, 10298, 16531, 17344, 18544, 20596, 33062, 37088, 41192, 66124, 74176, 82384, 132248, 164768, 264496, 314089, 329536, 528992, 628178, 1057984, 1256356, 2512712, 5025424, 10050848, 20101696]

約数ペア:

[(1, 20101696), (2, 10050848), (4, 5025424), (8, 2512712), (16, 1256356), (19, 1057984), (32, 628178), (38, 528992), (61, 329536), (64, 314089), (76, 264496), (122, 164768), (152, 132248), (244, 82384), (271, 74176), (304, 66124), (488, 41192), (542, 37088), (608, 33062), (976, 20596), (1084, 18544), (1159, 17344), (1216, 16531), (1952, 10298), (2168, 9272), (2318, 8672), (3904, 5149), (4336, 4636)]