20664396

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 58544640

約数和(自身を除く): 37880244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 47, 54, 59, 69, 81, 92, 94, 108, 118, 138, 141, 162, 177, 188, 207, 236, 276, 282, 324, 354, 414, 423, 531, 564, 621, 708, 828, 846, 1062, 1081, 1242, 1269, 1357, 1593, 1692, 1863, 2124, 2162, 2484, 2538, 2714, 2773, 3186, 3243, 3726, 3807, 4071, 4324, 4779, 5076, 5428, 5546, 6372, 6486, 7452, 7614, 8142, 8319, 9558, 9729, 11092, 12213, 12972, 15228, 16284, 16638, 19116, 19458, 24426, 24957, 29187, 33276, 36639, 38916, 48852, 49914, 58374, 63779, 73278, 74871, 87561, 99828, 109917, 116748, 127558, 146556, 149742, 175122, 191337, 219834, 224613, 255116, 299484, 350244, 382674, 439668, 449226, 574011, 765348, 898452, 1148022, 1722033, 2296044, 3444066, 5166099, 6888132, 10332198, 20664396]

約数ペア:

[(1, 20664396), (2, 10332198), (3, 6888132), (4, 5166099), (6, 3444066), (9, 2296044), (12, 1722033), (18, 1148022), (23, 898452), (27, 765348), (36, 574011), (46, 449226), (47, 439668), (54, 382674), (59, 350244), (69, 299484), (81, 255116), (92, 224613), (94, 219834), (108, 191337), (118, 175122), (138, 149742), (141, 146556), (162, 127558), (177, 116748), (188, 109917), (207, 99828), (236, 87561), (276, 74871), (282, 73278), (324, 63779), (354, 58374), (414, 49914), (423, 48852), (531, 38916), (564, 36639), (621, 33276), (708, 29187), (828, 24957), (846, 24426), (1062, 19458), (1081, 19116), (1242, 16638), (1269, 16284), (1357, 15228), (1593, 12972), (1692, 12213), (1863, 11092), (2124, 9729), (2162, 9558), (2484, 8319), (2538, 8142), (2714, 7614), (2773, 7452), (3186, 6486), (3243, 6372), (3726, 5546), (3807, 5428), (4071, 5076), (4324, 4779)]