20199041264

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{787}}^1\times {\mathrm{26297}}^1$

素因数の和:27153

約数の個数: 40

約数和(自身を含む): 39829267728

約数和(自身を除く): 19630226464

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 787, 976, 1574, 3148, 6296, 12592, 26297, 48007, 52594, 96014, 105188, 192028, 210376, 384056, 420752, 768112, 1604117, 3208234, 6416468, 12832936, 20695739, 25665872, 41391478, 82782956, 165565912, 331131824, 1262440079, 2524880158, 5049760316, 10099520632, 20199041264]

約数ペア:

[(1, 20199041264), (2, 10099520632), (4, 5049760316), (8, 2524880158), (16, 1262440079), (61, 331131824), (122, 165565912), (244, 82782956), (488, 41391478), (787, 25665872), (976, 20695739), (1574, 12832936), (3148, 6416468), (6296, 3208234), (12592, 1604117), (26297, 768112), (48007, 420752), (52594, 384056), (96014, 210376), (105188, 192028)]