20197216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1033}}^1$

素因数の和:1103

約数の個数: 48

約数和(自身を含む): 43775424

約数和(自身を除く): 23578208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 1033, 1222, 1504, 2066, 2444, 4132, 4888, 8264, 9776, 13429, 16528, 19552, 26858, 33056, 48551, 53716, 97102, 107432, 194204, 214864, 388408, 429728, 631163, 776816, 1262326, 1553632, 2524652, 5049304, 10098608, 20197216]

約数ペア:

[(1, 20197216), (2, 10098608), (4, 5049304), (8, 2524652), (13, 1553632), (16, 1262326), (26, 776816), (32, 631163), (47, 429728), (52, 388408), (94, 214864), (104, 194204), (188, 107432), (208, 97102), (376, 53716), (416, 48551), (611, 33056), (752, 26858), (1033, 19552), (1222, 16528), (1504, 13429), (2066, 9776), (2444, 8264), (4132, 4888)]