20090979608

素因数分解:

$2^3\times 7^2\times {\mathrm{419}}^1\times {\mathrm{122321}}^1$

素因数の和:122760

約数の個数: 48

約数和(自身を含む): 43925830200

約数和(自身を除く): 23834850592

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 419, 838, 1676, 2933, 3352, 5866, 11732, 20531, 23464, 41062, 82124, 122321, 164248, 244642, 489284, 856247, 978568, 1712494, 3424988, 5993729, 6849976, 11987458, 23974916, 47949832, 51252499, 102504998, 205009996, 358767493, 410019992, 717534986, 1435069972, 2511372451, 2870139944, 5022744902, 10045489804, 20090979608]

約数ペア:

[(1, 20090979608), (2, 10045489804), (4, 5022744902), (7, 2870139944), (8, 2511372451), (14, 1435069972), (28, 717534986), (49, 410019992), (56, 358767493), (98, 205009996), (196, 102504998), (392, 51252499), (419, 47949832), (838, 23974916), (1676, 11987458), (2933, 6849976), (3352, 5993729), (5866, 3424988), (11732, 1712494), (20531, 978568), (23464, 856247), (41062, 489284), (82124, 244642), (122321, 164248)]