20853248

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 60

約数和(自身を含む): 45304578

約数和(自身を除く): 24451330

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 241, 256, 338, 416, 482, 512, 676, 832, 964, 1352, 1664, 1928, 2704, 3133, 3328, 3856, 5408, 6266, 6656, 7712, 10816, 12532, 15424, 21632, 25064, 30848, 40729, 43264, 50128, 61696, 81458, 86528, 100256, 123392, 162916, 200512, 325832, 401024, 651664, 802048, 1303328, 1604096, 2606656, 5213312, 10426624, 20853248]

約数ペア:

[(1, 20853248), (2, 10426624), (4, 5213312), (8, 2606656), (13, 1604096), (16, 1303328), (26, 802048), (32, 651664), (52, 401024), (64, 325832), (104, 200512), (128, 162916), (169, 123392), (208, 100256), (241, 86528), (256, 81458), (338, 61696), (416, 50128), (482, 43264), (512, 40729), (676, 30848), (832, 25064), (964, 21632), (1352, 15424), (1664, 12532), (1928, 10816), (2704, 7712), (3133, 6656), (3328, 6266), (3856, 5408)]