20219944640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9026761}}^1$

素因数の和:9026785

約数の個数: 56

約数和(自身を含む): 55027141152

約数和(自身を除く): 34807196512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9026761, 18053522, 36107044, 45133805, 63187327, 72214088, 90267610, 126374654, 144428176, 180535220, 252749308, 288856352, 315936635, 361070440, 505498616, 577712704, 631873270, 722140880, 1010997232, 1263746540, 1444281760, 2021994464, 2527493080, 2888563520, 4043988928, 5054986160, 10109972320, 20219944640]

約数ペア:

[(1, 20219944640), (2, 10109972320), (4, 5054986160), (5, 4043988928), (7, 2888563520), (8, 2527493080), (10, 2021994464), (14, 1444281760), (16, 1263746540), (20, 1010997232), (28, 722140880), (32, 631873270), (35, 577712704), (40, 505498616), (56, 361070440), (64, 315936635), (70, 288856352), (80, 252749308), (112, 180535220), (140, 144428176), (160, 126374654), (224, 90267610), (280, 72214088), (320, 63187327), (448, 45133805), (560, 36107044), (1120, 18053522), (2240, 9026761)]