20199863128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{5237}}^1$

素因数の和:5528

約数の個数: 64

約数和(自身を含む): 39745105920

約数和(自身を除く): 19545242792

約数列:

[1, 2, 4, 8, 31, 62, 103, 124, 151, 206, 248, 302, 412, 604, 824, 1208, 3193, 4681, 5237, 6386, 9362, 10474, 12772, 15553, 18724, 20948, 25544, 31106, 37448, 41896, 62212, 124424, 162347, 324694, 482143, 539411, 649388, 790787, 964286, 1078822, 1298776, 1581574, 1928572, 2157644, 3163148, 3857144, 4315288, 6326296, 16721741, 24514397, 33443482, 49028794, 66886964, 81451061, 98057588, 133773928, 162902122, 196115176, 325804244, 651608488, 2524982891, 5049965782, 10099931564, 20199863128]

約数ペア:

[(1, 20199863128), (2, 10099931564), (4, 5049965782), (8, 2524982891), (31, 651608488), (62, 325804244), (103, 196115176), (124, 162902122), (151, 133773928), (206, 98057588), (248, 81451061), (302, 66886964), (412, 49028794), (604, 33443482), (824, 24514397), (1208, 16721741), (3193, 6326296), (4681, 4315288), (5237, 3857144), (6386, 3163148), (9362, 2157644), (10474, 1928572), (12772, 1581574), (15553, 1298776), (18724, 1078822), (20948, 964286), (25544, 790787), (31106, 649388), (37448, 539411), (41896, 482143), (62212, 324694), (124424, 162347)]