20305572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4628

約数の個数: 48

約数和(自身を含む): 55181952

約数和(自身を除く): 34876380

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 4561, 9122, 13683, 18244, 27366, 31927, 54732, 63854, 95781, 127708, 191562, 241733, 383124, 483466, 725199, 966932, 1450398, 1692131, 2900796, 3384262, 5076393, 6768524, 10152786, 20305572]

約数ペア:

[(1, 20305572), (2, 10152786), (3, 6768524), (4, 5076393), (6, 3384262), (7, 2900796), (12, 1692131), (14, 1450398), (21, 966932), (28, 725199), (42, 483466), (53, 383124), (84, 241733), (106, 191562), (159, 127708), (212, 95781), (318, 63854), (371, 54732), (636, 31927), (742, 27366), (1113, 18244), (1484, 13683), (2226, 9122), (4452, 4561)]