20178039296

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2318249}}^1$

素因数の和:2318284

約数の個数: 40

約数和(自身を含む): 42688255500

約数和(自身を除く): 22510216204

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 4352, 8704, 2318249, 4636498, 9272996, 18545992, 37091984, 39410233, 74183968, 78820466, 148367936, 157640932, 296735872, 315281864, 593471744, 630563728, 1186943488, 1261127456, 2522254912, 5044509824, 10089019648, 20178039296]

約数ペア:

[(1, 20178039296), (2, 10089019648), (4, 5044509824), (8, 2522254912), (16, 1261127456), (17, 1186943488), (32, 630563728), (34, 593471744), (64, 315281864), (68, 296735872), (128, 157640932), (136, 148367936), (256, 78820466), (272, 74183968), (512, 39410233), (544, 37091984), (1088, 18545992), (2176, 9272996), (4352, 4636498), (8704, 2318249)]