20806856496

素因数分解:

$2^4\times 3^2\times {\mathrm{631}}^1\times {\mathrm{228989}}^1$

素因数の和:229634

約数の個数: 60

約数和(自身を含む): 58322837040

約数和(自身を除く): 37515980544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 631, 1262, 1893, 2524, 3786, 5048, 5679, 7572, 10096, 11358, 15144, 22716, 30288, 45432, 90864, 228989, 457978, 686967, 915956, 1373934, 1831912, 2060901, 2747868, 3663824, 4121802, 5495736, 8243604, 10991472, 16487208, 32974416, 144492059, 288984118, 433476177, 577968236, 866952354, 1155936472, 1300428531, 1733904708, 2311872944, 2600857062, 3467809416, 5201714124, 6935618832, 10403428248, 20806856496]

約数ペア:

[(1, 20806856496), (2, 10403428248), (3, 6935618832), (4, 5201714124), (6, 3467809416), (8, 2600857062), (9, 2311872944), (12, 1733904708), (16, 1300428531), (18, 1155936472), (24, 866952354), (36, 577968236), (48, 433476177), (72, 288984118), (144, 144492059), (631, 32974416), (1262, 16487208), (1893, 10991472), (2524, 8243604), (3786, 5495736), (5048, 4121802), (5679, 3663824), (7572, 2747868), (10096, 2060901), (11358, 1831912), (15144, 1373934), (22716, 915956), (30288, 686967), (45432, 457978), (90864, 228989)]