20031726

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 48416256

約数和(自身を除く): 28384530

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 631, 814, 858, 962, 1221, 1262, 1443, 1893, 2442, 2886, 3786, 5291, 6941, 8203, 10582, 13882, 15873, 16406, 20823, 23347, 24609, 31746, 41646, 46694, 49218, 70041, 90233, 140082, 180466, 256817, 270699, 303511, 513634, 541398, 607022, 770451, 910533, 1540902, 1821066, 3338621, 6677242, 10015863, 20031726]

約数ペア:

[(1, 20031726), (2, 10015863), (3, 6677242), (6, 3338621), (11, 1821066), (13, 1540902), (22, 910533), (26, 770451), (33, 607022), (37, 541398), (39, 513634), (66, 303511), (74, 270699), (78, 256817), (111, 180466), (143, 140082), (222, 90233), (286, 70041), (407, 49218), (429, 46694), (481, 41646), (631, 31746), (814, 24609), (858, 23347), (962, 20823), (1221, 16406), (1262, 15873), (1443, 13882), (1893, 10582), (2442, 8203), (2886, 6941), (3786, 5291)]