20163975165

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1157851}}^1$

素因数の和:1157911

約数の個数: 40

約数和(自身を含む): 36986424288

約数和(自身を除く): 16822449123

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 17415, 1157851, 3473553, 5789255, 10420659, 17367765, 31261977, 49787593, 52103295, 93785931, 149362779, 156309885, 248937965, 448088337, 468929655, 746813895, 1344265011, 2240441685, 4032795033, 6721325055, 20163975165]

約数ペア:

[(1, 20163975165), (3, 6721325055), (5, 4032795033), (9, 2240441685), (15, 1344265011), (27, 746813895), (43, 468929655), (45, 448088337), (81, 248937965), (129, 156309885), (135, 149362779), (215, 93785931), (387, 52103295), (405, 49787593), (645, 31261977), (1161, 17367765), (1935, 10420659), (3483, 5789255), (5805, 3473553), (17415, 1157851)]