2788898020

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{153743}}^1$

素因数の和:154659

約数の個数: 24

約数和(自身を含む): 5863181184

約数和(自身を除く): 3074283164

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 9070, 18140, 153743, 307486, 614972, 768715, 1537430, 3074860, 139444901, 278889802, 557779604, 697224505, 1394449010, 2788898020]

約数ペア:

[(1, 2788898020), (2, 1394449010), (4, 697224505), (5, 557779604), (10, 278889802), (20, 139444901), (907, 3074860), (1814, 1537430), (3628, 768715), (4535, 614972), (9070, 307486), (18140, 153743)]