20171335212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{195709}}^1$

素因数の和:196135

約数の個数: 72

約数和(自身を含む): 58415520800

約数和(自身を除く): 38244185588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 409, 818, 1227, 1636, 2454, 2863, 3681, 4908, 5726, 7362, 8589, 11452, 14724, 17178, 25767, 34356, 51534, 103068, 195709, 391418, 587127, 782836, 1174254, 1369963, 1761381, 2348508, 2739926, 3522762, 4109889, 5479852, 7045524, 8219778, 12329667, 16439556, 24659334, 49318668, 80044981, 160089962, 240134943, 320179924, 480269886, 560314867, 720404829, 960539772, 1120629734, 1440809658, 1680944601, 2241259468, 2881619316, 3361889202, 5042833803, 6723778404, 10085667606, 20171335212]

約数ペア:

[(1, 20171335212), (2, 10085667606), (3, 6723778404), (4, 5042833803), (6, 3361889202), (7, 2881619316), (9, 2241259468), (12, 1680944601), (14, 1440809658), (18, 1120629734), (21, 960539772), (28, 720404829), (36, 560314867), (42, 480269886), (63, 320179924), (84, 240134943), (126, 160089962), (252, 80044981), (409, 49318668), (818, 24659334), (1227, 16439556), (1636, 12329667), (2454, 8219778), (2863, 7045524), (3681, 5479852), (4908, 4109889), (5726, 3522762), (7362, 2739926), (8589, 2348508), (11452, 1761381), (14724, 1369963), (17178, 1174254), (25767, 782836), (34356, 587127), (51534, 391418), (103068, 195709)]