20199644395

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{619}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 28878151680

約数和(自身を除く): 8678507285

約数列:

[1, 5, 7, 35, 37, 113, 185, 223, 259, 565, 619, 791, 1115, 1295, 1561, 3095, 3955, 4181, 4333, 7805, 8251, 20905, 21665, 22903, 25199, 29267, 41255, 57757, 69947, 114515, 125995, 138037, 146335, 160321, 176393, 288785, 349735, 489629, 690185, 801605, 881965, 932363, 966259, 2448145, 2588039, 4661815, 4831295, 5107369, 6526541, 12940195, 15598181, 18116273, 25536845, 32632705, 35751583, 77990905, 90581365, 109187267, 178757915, 545936335, 577132697, 2885663485, 4039928879, 20199644395]

約数ペア:

[(1, 20199644395), (5, 4039928879), (7, 2885663485), (35, 577132697), (37, 545936335), (113, 178757915), (185, 109187267), (223, 90581365), (259, 77990905), (565, 35751583), (619, 32632705), (791, 25536845), (1115, 18116273), (1295, 15598181), (1561, 12940195), (3095, 6526541), (3955, 5107369), (4181, 4831295), (4333, 4661815), (7805, 2588039), (8251, 2448145), (20905, 966259), (21665, 932363), (22903, 881965), (25199, 801605), (29267, 690185), (41255, 489629), (57757, 349735), (69947, 288785), (114515, 176393), (125995, 160321), (138037, 146335)]