20197550848

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{18133}}^1$

素因数の和:18397

約数の個数: 72

約数和(自身を含む): 42625780400

約数和(自身を除く): 22428229552

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 229, 256, 304, 458, 608, 916, 1216, 1832, 2432, 3664, 4351, 4864, 7328, 8702, 14656, 17404, 18133, 29312, 34808, 36266, 58624, 69616, 72532, 139232, 145064, 278464, 290128, 344527, 556928, 580256, 689054, 1113856, 1160512, 1378108, 2321024, 2756216, 4152457, 4642048, 5512432, 8304914, 11024864, 16609828, 22049728, 33219656, 44099456, 66439312, 78896683, 88198912, 132878624, 157793366, 265757248, 315586732, 531514496, 631173464, 1063028992, 1262346928, 2524693856, 5049387712, 10098775424, 20197550848]

約数ペア:

[(1, 20197550848), (2, 10098775424), (4, 5049387712), (8, 2524693856), (16, 1262346928), (19, 1063028992), (32, 631173464), (38, 531514496), (64, 315586732), (76, 265757248), (128, 157793366), (152, 132878624), (229, 88198912), (256, 78896683), (304, 66439312), (458, 44099456), (608, 33219656), (916, 22049728), (1216, 16609828), (1832, 11024864), (2432, 8304914), (3664, 5512432), (4351, 4642048), (4864, 4152457), (7328, 2756216), (8702, 2321024), (14656, 1378108), (17404, 1160512), (18133, 1113856), (29312, 689054), (34808, 580256), (36266, 556928), (58624, 344527), (69616, 290128), (72532, 278464), (139232, 145064)]