20073760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17923}}^1$

素因数の和:17945

約数の個数: 48

約数和(自身を含む): 54202176

約数和(自身を除く): 34128416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17923, 35846, 71692, 89615, 125461, 143384, 179230, 250922, 286768, 358460, 501844, 573536, 627305, 716920, 1003688, 1254610, 1433840, 2007376, 2509220, 2867680, 4014752, 5018440, 10036880, 20073760]

約数ペア:

[(1, 20073760), (2, 10036880), (4, 5018440), (5, 4014752), (7, 2867680), (8, 2509220), (10, 2007376), (14, 1433840), (16, 1254610), (20, 1003688), (28, 716920), (32, 627305), (35, 573536), (40, 501844), (56, 358460), (70, 286768), (80, 250922), (112, 179230), (140, 143384), (160, 125461), (224, 89615), (280, 71692), (560, 35846), (1120, 17923)]