20082195

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 21389805

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 105, 135, 189, 237, 269, 315, 395, 553, 711, 807, 945, 1185, 1345, 1659, 1883, 2133, 2421, 2765, 3555, 4035, 4977, 5649, 7263, 8295, 9415, 10665, 12105, 14931, 16947, 21251, 24885, 28245, 36315, 50841, 63753, 74655, 84735, 106255, 148757, 191259, 254205, 318765, 446271, 573777, 743785, 956295, 1338813, 2231355, 2868885, 4016439, 6694065, 20082195]

約数ペア:

[(1, 20082195), (3, 6694065), (5, 4016439), (7, 2868885), (9, 2231355), (15, 1338813), (21, 956295), (27, 743785), (35, 573777), (45, 446271), (63, 318765), (79, 254205), (105, 191259), (135, 148757), (189, 106255), (237, 84735), (269, 74655), (315, 63753), (395, 50841), (553, 36315), (711, 28245), (807, 24885), (945, 21251), (1185, 16947), (1345, 14931), (1659, 12105), (1883, 10665), (2133, 9415), (2421, 8295), (2765, 7263), (3555, 5649), (4035, 4977)]