20211128895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{2557}}^1$

素因数の和:2944

約数の個数: 64

約数和(自身を含む): 34654556160

約数和(自身を除く): 14443427265

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 223, 255, 417, 669, 695, 1115, 2085, 2363, 2557, 3345, 3791, 7089, 7671, 11373, 11815, 12785, 18955, 30997, 35445, 38355, 43469, 56865, 92991, 130407, 154985, 217345, 355423, 464955, 526949, 570211, 652035, 1066269, 1580847, 1710633, 1777115, 2634745, 2851055, 5331345, 6042191, 7904235, 8553165, 9693587, 18126573, 29080761, 30210955, 48467935, 79259329, 90632865, 145403805, 237777987, 396296645, 1188889935, 1347408593, 4042225779, 6737042965, 20211128895]

約数ペア:

[(1, 20211128895), (3, 6737042965), (5, 4042225779), (15, 1347408593), (17, 1188889935), (51, 396296645), (85, 237777987), (139, 145403805), (223, 90632865), (255, 79259329), (417, 48467935), (669, 30210955), (695, 29080761), (1115, 18126573), (2085, 9693587), (2363, 8553165), (2557, 7904235), (3345, 6042191), (3791, 5331345), (7089, 2851055), (7671, 2634745), (11373, 1777115), (11815, 1710633), (12785, 1580847), (18955, 1066269), (30997, 652035), (35445, 570211), (38355, 526949), (43469, 464955), (56865, 355423), (92991, 217345), (130407, 154985)]