20163741728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1\times {\mathrm{953}}^1$

素因数の和:1438

約数の個数: 96

約数和(自身を含む): 43185450672

約数和(自身を除く): 23021708944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 181, 208, 281, 362, 416, 562, 724, 953, 1124, 1448, 1906, 2248, 2353, 2896, 3653, 3812, 4496, 4706, 5792, 7306, 7624, 8992, 9412, 12389, 14612, 15248, 18824, 24778, 29224, 30496, 37648, 49556, 50861, 58448, 75296, 99112, 101722, 116896, 172493, 198224, 203444, 267793, 344986, 396448, 406888, 535586, 661193, 689972, 813776, 1071172, 1322386, 1379944, 1627552, 2142344, 2242409, 2644772, 2759888, 3481309, 4284688, 4484818, 5289544, 5519776, 6962618, 8569376, 8969636, 10579088, 13925236, 17939272, 21158176, 27850472, 35878544, 48470533, 55700944, 71757088, 96941066, 111401888, 193882132, 387764264, 630116929, 775528528, 1260233858, 1551057056, 2520467716, 5040935432, 10081870864, 20163741728]

約数ペア:

[(1, 20163741728), (2, 10081870864), (4, 5040935432), (8, 2520467716), (13, 1551057056), (16, 1260233858), (26, 775528528), (32, 630116929), (52, 387764264), (104, 193882132), (181, 111401888), (208, 96941066), (281, 71757088), (362, 55700944), (416, 48470533), (562, 35878544), (724, 27850472), (953, 21158176), (1124, 17939272), (1448, 13925236), (1906, 10579088), (2248, 8969636), (2353, 8569376), (2896, 6962618), (3653, 5519776), (3812, 5289544), (4496, 4484818), (4706, 4284688), (5792, 3481309), (7306, 2759888), (7624, 2644772), (8992, 2242409), (9412, 2142344), (12389, 1627552), (14612, 1379944), (15248, 1322386), (18824, 1071172), (24778, 813776), (29224, 689972), (30496, 661193), (37648, 535586), (49556, 406888), (50861, 396448), (58448, 344986), (75296, 267793), (99112, 203444), (101722, 198224), (116896, 172493)]