20194259505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{42863}}^1$

素因数の和:43526

約数の個数: 48

約数和(自身を含む): 37645565184

約数和(自身を除く): 17451305679

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 641, 735, 1923, 3205, 4487, 9615, 13461, 22435, 31409, 42863, 67305, 94227, 128589, 157045, 214315, 300041, 471135, 642945, 900123, 1500205, 2100287, 4500615, 6300861, 10501435, 27475183, 31504305, 82425549, 137375915, 192326281, 412127745, 576978843, 961631405, 1346283967, 2884894215, 4038851901, 6731419835, 20194259505]

約数ペア:

[(1, 20194259505), (3, 6731419835), (5, 4038851901), (7, 2884894215), (15, 1346283967), (21, 961631405), (35, 576978843), (49, 412127745), (105, 192326281), (147, 137375915), (245, 82425549), (641, 31504305), (735, 27475183), (1923, 10501435), (3205, 6300861), (4487, 4500615), (9615, 2100287), (13461, 1500205), (22435, 900123), (31409, 642945), (42863, 471135), (67305, 300041), (94227, 214315), (128589, 157045)]