20840483988

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{151903}}^1$

素因数の和:152053

約数の個数: 72

約数和(自身を含む): 54629539328

約数和(自身を除く): 33789055340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 103, 111, 148, 206, 222, 309, 333, 412, 444, 618, 666, 927, 1236, 1332, 1854, 3708, 3811, 7622, 11433, 15244, 22866, 34299, 45732, 68598, 137196, 151903, 303806, 455709, 607612, 911418, 1367127, 1822836, 2734254, 5468508, 5620411, 11240822, 15646009, 16861233, 22481644, 31292018, 33722466, 46938027, 50583699, 62584036, 67444932, 93876054, 101167398, 140814081, 187752108, 202334796, 281628162, 563256324, 578902333, 1157804666, 1736706999, 2315609332, 3473413998, 5210120997, 6946827996, 10420241994, 20840483988]

約数ペア:

[(1, 20840483988), (2, 10420241994), (3, 6946827996), (4, 5210120997), (6, 3473413998), (9, 2315609332), (12, 1736706999), (18, 1157804666), (36, 578902333), (37, 563256324), (74, 281628162), (103, 202334796), (111, 187752108), (148, 140814081), (206, 101167398), (222, 93876054), (309, 67444932), (333, 62584036), (412, 50583699), (444, 46938027), (618, 33722466), (666, 31292018), (927, 22481644), (1236, 16861233), (1332, 15646009), (1854, 11240822), (3708, 5620411), (3811, 5468508), (7622, 2734254), (11433, 1822836), (15244, 1367127), (22866, 911418), (34299, 607612), (45732, 455709), (68598, 303806), (137196, 151903)]