20178240121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{827}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 22370705280

約数和(自身を除く): 2192465159

約数列:

[1, 13, 67, 109, 257, 827, 871, 1417, 3341, 7303, 10751, 17219, 28013, 55409, 90143, 94939, 212539, 223847, 364169, 720317, 1171859, 1876871, 2763007, 6039581, 14240113, 23166751, 24399323, 78514553, 185121469, 301167763, 1552172317, 20178240121]

約数ペア:

[(1, 20178240121), (13, 1552172317), (67, 301167763), (109, 185121469), (257, 78514553), (827, 24399323), (871, 23166751), (1417, 14240113), (3341, 6039581), (7303, 2763007), (10751, 1876871), (17219, 1171859), (28013, 720317), (55409, 364169), (90143, 223847), (94939, 212539)]