20465424

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 66543360

約数和(自身を除く): 46077936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 79, 84, 112, 126, 144, 158, 168, 237, 252, 257, 316, 336, 474, 504, 514, 553, 632, 711, 771, 948, 1008, 1028, 1106, 1264, 1422, 1542, 1659, 1799, 1896, 2056, 2212, 2313, 2844, 3084, 3318, 3598, 3792, 4112, 4424, 4626, 4977, 5397, 5688, 6168, 6636, 7196, 8848, 9252, 9954, 10794, 11376, 12336, 13272, 14392, 16191, 18504, 19908, 20303, 21588, 26544, 28784, 32382, 37008, 39816, 40606, 43176, 60909, 64764, 79632, 81212, 86352, 121818, 129528, 142121, 162424, 182727, 243636, 259056, 284242, 324848, 365454, 426363, 487272, 568484, 730908, 852726, 974544, 1136968, 1279089, 1461816, 1705452, 2273936, 2558178, 2923632, 3410904, 5116356, 6821808, 10232712, 20465424]

約数ペア:

[(1, 20465424), (2, 10232712), (3, 6821808), (4, 5116356), (6, 3410904), (7, 2923632), (8, 2558178), (9, 2273936), (12, 1705452), (14, 1461816), (16, 1279089), (18, 1136968), (21, 974544), (24, 852726), (28, 730908), (36, 568484), (42, 487272), (48, 426363), (56, 365454), (63, 324848), (72, 284242), (79, 259056), (84, 243636), (112, 182727), (126, 162424), (144, 142121), (158, 129528), (168, 121818), (237, 86352), (252, 81212), (257, 79632), (316, 64764), (336, 60909), (474, 43176), (504, 40606), (514, 39816), (553, 37008), (632, 32382), (711, 28784), (771, 26544), (948, 21588), (1008, 20303), (1028, 19908), (1106, 18504), (1264, 16191), (1422, 14392), (1542, 13272), (1659, 12336), (1799, 11376), (1896, 10794), (2056, 9954), (2212, 9252), (2313, 8848), (2844, 7196), (3084, 6636), (3318, 6168), (3598, 5688), (3792, 5397), (4112, 4977), (4424, 4626)]