20846490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1873}}^1$

素因数の和:1943

約数の個数: 64

約数和(自身を含む): 58288896

約数和(自身を除く): 37442406

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1855, 1873, 2226, 3710, 3746, 5565, 5619, 9365, 11130, 11238, 13111, 18730, 26222, 28095, 39333, 56190, 65555, 78666, 99269, 131110, 196665, 198538, 297807, 393330, 496345, 595614, 694883, 992690, 1389766, 1489035, 2084649, 2978070, 3474415, 4169298, 6948830, 10423245, 20846490]

約数ペア:

[(1, 20846490), (2, 10423245), (3, 6948830), (5, 4169298), (6, 3474415), (7, 2978070), (10, 2084649), (14, 1489035), (15, 1389766), (21, 992690), (30, 694883), (35, 595614), (42, 496345), (53, 393330), (70, 297807), (105, 198538), (106, 196665), (159, 131110), (210, 99269), (265, 78666), (318, 65555), (371, 56190), (530, 39333), (742, 28095), (795, 26222), (1113, 18730), (1590, 13111), (1855, 11238), (1873, 11130), (2226, 9365), (3710, 5619), (3746, 5565)]