20218842490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1559}}^1\times {\mathrm{16843}}^1$

素因数の和:18427

約数の個数: 64

約数和(自身を含む): 45406033920

約数和(自身を除く): 25187191430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1559, 3118, 7795, 10913, 15590, 16843, 17149, 21826, 33686, 34298, 54565, 84215, 85745, 109130, 117901, 120043, 168430, 171490, 185273, 235802, 240086, 370546, 589505, 600215, 926365, 1179010, 1200430, 1296911, 1852730, 2593822, 6484555, 12969110, 26258237, 52516474, 131291185, 183807659, 262582370, 288840607, 367615318, 577681214, 919038295, 1444203035, 1838076590, 2021884249, 2888406070, 4043768498, 10109421245, 20218842490]

約数ペア:

[(1, 20218842490), (2, 10109421245), (5, 4043768498), (7, 2888406070), (10, 2021884249), (11, 1838076590), (14, 1444203035), (22, 919038295), (35, 577681214), (55, 367615318), (70, 288840607), (77, 262582370), (110, 183807659), (154, 131291185), (385, 52516474), (770, 26258237), (1559, 12969110), (3118, 6484555), (7795, 2593822), (10913, 1852730), (15590, 1296911), (16843, 1200430), (17149, 1179010), (21826, 926365), (33686, 600215), (34298, 589505), (54565, 370546), (84215, 240086), (85745, 235802), (109130, 185273), (117901, 171490), (120043, 168430)]