20946660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1013

約数の個数: 96

約数和(自身を含む): 68366592

約数和(自身を除く): 47419932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 105, 106, 140, 159, 210, 212, 265, 318, 371, 420, 530, 636, 742, 795, 941, 1060, 1113, 1484, 1590, 1855, 1882, 2226, 2823, 3180, 3710, 3764, 4452, 4705, 5565, 5646, 6587, 7420, 9410, 11130, 11292, 13174, 14115, 18820, 19761, 22260, 26348, 28230, 32935, 39522, 49873, 56460, 65870, 79044, 98805, 99746, 131740, 149619, 197610, 199492, 249365, 299238, 349111, 395220, 498730, 598476, 698222, 748095, 997460, 1047333, 1396444, 1496190, 1745555, 2094666, 2992380, 3491110, 4189332, 5236665, 6982220, 10473330, 20946660]

約数ペア:

[(1, 20946660), (2, 10473330), (3, 6982220), (4, 5236665), (5, 4189332), (6, 3491110), (7, 2992380), (10, 2094666), (12, 1745555), (14, 1496190), (15, 1396444), (20, 1047333), (21, 997460), (28, 748095), (30, 698222), (35, 598476), (42, 498730), (53, 395220), (60, 349111), (70, 299238), (84, 249365), (105, 199492), (106, 197610), (140, 149619), (159, 131740), (210, 99746), (212, 98805), (265, 79044), (318, 65870), (371, 56460), (420, 49873), (530, 39522), (636, 32935), (742, 28230), (795, 26348), (941, 22260), (1060, 19761), (1113, 18820), (1484, 14115), (1590, 13174), (1855, 11292), (1882, 11130), (2226, 9410), (2823, 7420), (3180, 6587), (3710, 5646), (3764, 5565), (4452, 4705)]