20994696

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 60840000

約数和(自身を除く): 39845304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 103, 114, 149, 152, 171, 206, 228, 298, 309, 342, 412, 447, 456, 596, 618, 684, 824, 894, 927, 1192, 1236, 1341, 1368, 1788, 1854, 1957, 2472, 2682, 2831, 3576, 3708, 3914, 5364, 5662, 5871, 7416, 7828, 8493, 10728, 11324, 11742, 15347, 15656, 16986, 17613, 22648, 23484, 25479, 30694, 33972, 35226, 46041, 46968, 50958, 61388, 67944, 70452, 92082, 101916, 122776, 138123, 140904, 184164, 203832, 276246, 291593, 368328, 552492, 583186, 874779, 1104984, 1166372, 1749558, 2332744, 2624337, 3499116, 5248674, 6998232, 10497348, 20994696]

約数ペア:

[(1, 20994696), (2, 10497348), (3, 6998232), (4, 5248674), (6, 3499116), (8, 2624337), (9, 2332744), (12, 1749558), (18, 1166372), (19, 1104984), (24, 874779), (36, 583186), (38, 552492), (57, 368328), (72, 291593), (76, 276246), (103, 203832), (114, 184164), (149, 140904), (152, 138123), (171, 122776), (206, 101916), (228, 92082), (298, 70452), (309, 67944), (342, 61388), (412, 50958), (447, 46968), (456, 46041), (596, 35226), (618, 33972), (684, 30694), (824, 25479), (894, 23484), (927, 22648), (1192, 17613), (1236, 16986), (1341, 15656), (1368, 15347), (1788, 11742), (1854, 11324), (1957, 10728), (2472, 8493), (2682, 7828), (2831, 7416), (3576, 5871), (3708, 5662), (3914, 5364)]