20188597786

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38974127}}^1$

素因数の和:38974173

約数の個数: 16

約数和(自身を含む): 35544404736

約数和(自身を除く): 15355806950

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38974127, 77948254, 272818889, 545637778, 1442042699, 2884085398, 10094298893, 20188597786]

約数ペア:

[(1, 20188597786), (2, 10094298893), (7, 2884085398), (14, 1442042699), (37, 545637778), (74, 272818889), (259, 77948254), (518, 38974127)]