20228527904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{72253}}^1$

素因数の和:72949

約数の個数: 48

約数和(自身を含む): 42952690872

約数和(自身を除く): 22724162968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 673, 1346, 2692, 5384, 8749, 10768, 17498, 21536, 34996, 69992, 72253, 139984, 144506, 279968, 289012, 578024, 939289, 1156048, 1878578, 2312096, 3757156, 7514312, 15028624, 30057248, 48626269, 97252538, 194505076, 389010152, 632141497, 778020304, 1264282994, 1556040608, 2528565988, 5057131976, 10114263952, 20228527904]

約数ペア:

[(1, 20228527904), (2, 10114263952), (4, 5057131976), (8, 2528565988), (13, 1556040608), (16, 1264282994), (26, 778020304), (32, 632141497), (52, 389010152), (104, 194505076), (208, 97252538), (416, 48626269), (673, 30057248), (1346, 15028624), (2692, 7514312), (5384, 3757156), (8749, 2312096), (10768, 1878578), (17498, 1156048), (21536, 939289), (34996, 578024), (69992, 289012), (72253, 279968), (139984, 144506)]