20180525296

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{61487}}^1$

素因数の和:61849

約数の個数: 40

約数和(自身を含む): 39777079104

約数和(自身を除く): 19596553808

約数列:

[1, 2, 4, 8, 16, 73, 146, 281, 292, 562, 584, 1124, 1168, 2248, 4496, 20513, 41026, 61487, 82052, 122974, 164104, 245948, 328208, 491896, 983792, 4488551, 8977102, 17277847, 17954204, 34555694, 35908408, 69111388, 71816816, 138222776, 276445552, 1261282831, 2522565662, 5045131324, 10090262648, 20180525296]

約数ペア:

[(1, 20180525296), (2, 10090262648), (4, 5045131324), (8, 2522565662), (16, 1261282831), (73, 276445552), (146, 138222776), (281, 71816816), (292, 69111388), (562, 35908408), (584, 34555694), (1124, 17954204), (1168, 17277847), (2248, 8977102), (4496, 4488551), (20513, 983792), (41026, 491896), (61487, 328208), (82052, 245948), (122974, 164104)]