20797384965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1\times {\mathrm{2141}}^1$

素因数の和:3530

約数の個数: 64

約数和(自身を含む): 38612754432

約数和(自身を除く): 17815369467

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1303, 1491, 2141, 2485, 3909, 6423, 6515, 7455, 9121, 10705, 14987, 19545, 27363, 32115, 44961, 45605, 74935, 92513, 136815, 152011, 224805, 277539, 456033, 462565, 647591, 760055, 1064077, 1387695, 1942773, 2280165, 2789723, 3192231, 3237955, 5320385, 8369169, 9713865, 13948615, 15961155, 19528061, 41845845, 58584183, 97640305, 198070333, 292920915, 594210999, 990351665, 1386492331, 2971054995, 4159476993, 6932461655, 20797384965]

約数ペア:

[(1, 20797384965), (3, 6932461655), (5, 4159476993), (7, 2971054995), (15, 1386492331), (21, 990351665), (35, 594210999), (71, 292920915), (105, 198070333), (213, 97640305), (355, 58584183), (497, 41845845), (1065, 19528061), (1303, 15961155), (1491, 13948615), (2141, 9713865), (2485, 8369169), (3909, 5320385), (6423, 3237955), (6515, 3192231), (7455, 2789723), (9121, 2280165), (10705, 1942773), (14987, 1387695), (19545, 1064077), (27363, 760055), (32115, 647591), (44961, 462565), (45605, 456033), (74935, 277539), (92513, 224805), (136815, 152011)]