20864886

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70969}}^1$

素因数の和:70988

約数の個数: 24

約数和(自身を含む): 48543480

約数和(自身を除く): 27678594

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70969, 141938, 212907, 425814, 496783, 993566, 1490349, 2980698, 3477481, 6954962, 10432443, 20864886]

約数ペア:

[(1, 20864886), (2, 10432443), (3, 6954962), (6, 3477481), (7, 2980698), (14, 1490349), (21, 993566), (42, 496783), (49, 425814), (98, 212907), (147, 141938), (294, 70969)]