20974744990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1709}}^1\times {\mathrm{26113}}^1$

素因数の和:27876

約数の個数: 32

約数和(自身を含む): 38581868160

約数和(自身を除く): 17607123170

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 1709, 3418, 8545, 17090, 26113, 52226, 80323, 130565, 160646, 261130, 401615, 803230, 1227311, 2454622, 6136555, 12273110, 44627117, 89254234, 223135585, 446271170, 2097474499, 4194948998, 10487372495, 20974744990]

約数ペア:

[(1, 20974744990), (2, 10487372495), (5, 4194948998), (10, 2097474499), (47, 446271170), (94, 223135585), (235, 89254234), (470, 44627117), (1709, 12273110), (3418, 6136555), (8545, 2454622), (17090, 1227311), (26113, 803230), (52226, 401615), (80323, 261130), (130565, 160646)]