20681700876

素因数分解:

$2^2\times 3^2\times {\mathrm{2617}}^1\times {\mathrm{219523}}^1$

素因数の和:222150

約数の個数: 36

約数和(自身を含む): 52298958712

約数和(自身を除く): 31617257836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2617, 5234, 7851, 10468, 15702, 23553, 31404, 47106, 94212, 219523, 439046, 658569, 878092, 1317138, 1975707, 2634276, 3951414, 7902828, 574491691, 1148983382, 1723475073, 2297966764, 3446950146, 5170425219, 6893900292, 10340850438, 20681700876]

約数ペア:

[(1, 20681700876), (2, 10340850438), (3, 6893900292), (4, 5170425219), (6, 3446950146), (9, 2297966764), (12, 1723475073), (18, 1148983382), (36, 574491691), (2617, 7902828), (5234, 3951414), (7851, 2634276), (10468, 1975707), (15702, 1317138), (23553, 878092), (31404, 658569), (47106, 439046), (94212, 219523)]