20031680

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1$

素因数の和:1137

約数の個数: 56

約数和(自身を含む): 48554640

約数和(自身を除く): 28522960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 160, 236, 295, 320, 472, 590, 944, 1061, 1180, 1888, 2122, 2360, 3776, 4244, 4720, 5305, 8488, 9440, 10610, 16976, 18880, 21220, 33952, 42440, 62599, 67904, 84880, 125198, 169760, 250396, 312995, 339520, 500792, 625990, 1001584, 1251980, 2003168, 2503960, 4006336, 5007920, 10015840, 20031680]

約数ペア:

[(1, 20031680), (2, 10015840), (4, 5007920), (5, 4006336), (8, 2503960), (10, 2003168), (16, 1251980), (20, 1001584), (32, 625990), (40, 500792), (59, 339520), (64, 312995), (80, 250396), (118, 169760), (160, 125198), (236, 84880), (295, 67904), (320, 62599), (472, 42440), (590, 33952), (944, 21220), (1061, 18880), (1180, 16976), (1888, 10610), (2122, 9440), (2360, 8488), (3776, 5305), (4244, 4720)]