20953088

素因数分解:

$2^{11}\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 45176040

約数和(自身を除く): 24222952

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 787, 832, 1024, 1574, 1664, 2048, 3148, 3328, 6296, 6656, 10231, 12592, 13312, 20462, 25184, 26624, 40924, 50368, 81848, 100736, 163696, 201472, 327392, 402944, 654784, 805888, 1309568, 1611776, 2619136, 5238272, 10476544, 20953088]

約数ペア:

[(1, 20953088), (2, 10476544), (4, 5238272), (8, 2619136), (13, 1611776), (16, 1309568), (26, 805888), (32, 654784), (52, 402944), (64, 327392), (104, 201472), (128, 163696), (208, 100736), (256, 81848), (416, 50368), (512, 40924), (787, 26624), (832, 25184), (1024, 20462), (1574, 13312), (1664, 12592), (2048, 10231), (3148, 6656), (3328, 6296)]