20109636

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 53726400

約数和(自身を除く): 33616764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 149, 163, 207, 276, 298, 326, 414, 447, 489, 596, 652, 828, 894, 978, 1341, 1467, 1788, 1956, 2682, 2934, 3427, 3749, 5364, 5868, 6854, 7498, 10281, 11247, 13708, 14996, 20562, 22494, 24287, 30843, 33741, 41124, 44988, 48574, 61686, 67482, 72861, 97148, 123372, 134964, 145722, 218583, 291444, 437166, 558601, 874332, 1117202, 1675803, 2234404, 3351606, 5027409, 6703212, 10054818, 20109636]

約数ペア:

[(1, 20109636), (2, 10054818), (3, 6703212), (4, 5027409), (6, 3351606), (9, 2234404), (12, 1675803), (18, 1117202), (23, 874332), (36, 558601), (46, 437166), (69, 291444), (92, 218583), (138, 145722), (149, 134964), (163, 123372), (207, 97148), (276, 72861), (298, 67482), (326, 61686), (414, 48574), (447, 44988), (489, 41124), (596, 33741), (652, 30843), (828, 24287), (894, 22494), (978, 20562), (1341, 14996), (1467, 13708), (1788, 11247), (1956, 10281), (2682, 7498), (2934, 6854), (3427, 5868), (3749, 5364)]