20390292

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 59195136

約数和(自身を除く): 38804844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 47, 52, 54, 78, 81, 94, 103, 108, 117, 141, 156, 162, 188, 206, 234, 282, 309, 324, 351, 412, 423, 468, 564, 611, 618, 702, 846, 927, 1053, 1222, 1236, 1269, 1339, 1404, 1692, 1833, 1854, 2106, 2444, 2538, 2678, 2781, 3666, 3708, 3807, 4017, 4212, 4841, 5076, 5356, 5499, 5562, 7332, 7614, 8034, 8343, 9682, 10998, 11124, 12051, 14523, 15228, 16068, 16497, 16686, 19364, 21996, 24102, 29046, 32994, 33372, 36153, 43569, 48204, 49491, 58092, 62933, 65988, 72306, 87138, 98982, 108459, 125866, 130707, 144612, 174276, 188799, 197964, 216918, 251732, 261414, 377598, 392121, 433836, 522828, 566397, 755196, 784242, 1132794, 1568484, 1699191, 2265588, 3398382, 5097573, 6796764, 10195146, 20390292]

約数ペア:

[(1, 20390292), (2, 10195146), (3, 6796764), (4, 5097573), (6, 3398382), (9, 2265588), (12, 1699191), (13, 1568484), (18, 1132794), (26, 784242), (27, 755196), (36, 566397), (39, 522828), (47, 433836), (52, 392121), (54, 377598), (78, 261414), (81, 251732), (94, 216918), (103, 197964), (108, 188799), (117, 174276), (141, 144612), (156, 130707), (162, 125866), (188, 108459), (206, 98982), (234, 87138), (282, 72306), (309, 65988), (324, 62933), (351, 58092), (412, 49491), (423, 48204), (468, 43569), (564, 36153), (611, 33372), (618, 32994), (702, 29046), (846, 24102), (927, 21996), (1053, 19364), (1222, 16686), (1236, 16497), (1269, 16068), (1339, 15228), (1404, 14523), (1692, 12051), (1833, 11124), (1854, 10998), (2106, 9682), (2444, 8343), (2538, 8034), (2678, 7614), (2781, 7332), (3666, 5562), (3708, 5499), (3807, 5356), (4017, 5076), (4212, 4841)]