20568921724

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{57737}}^1$

素因数の和:57815

約数の個数: 72

約数和(自身を含む): 42602329728

約数和(自身を除く): 22033408004

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 169, 221, 338, 403, 442, 527, 676, 806, 884, 1054, 1612, 2108, 2873, 5239, 5746, 6851, 10478, 11492, 13702, 20956, 27404, 57737, 89063, 115474, 178126, 230948, 356252, 750581, 981529, 1501162, 1789847, 1963058, 3002324, 3579694, 3926116, 7159388, 9757553, 12759877, 19515106, 23268011, 25519754, 30427399, 39030212, 46536022, 51039508, 60854798, 93072044, 121709596, 165878401, 302484143, 331756802, 395556187, 604968286, 663513604, 791112374, 1209936572, 1582224748, 5142230431, 10284460862, 20568921724]

約数ペア:

[(1, 20568921724), (2, 10284460862), (4, 5142230431), (13, 1582224748), (17, 1209936572), (26, 791112374), (31, 663513604), (34, 604968286), (52, 395556187), (62, 331756802), (68, 302484143), (124, 165878401), (169, 121709596), (221, 93072044), (338, 60854798), (403, 51039508), (442, 46536022), (527, 39030212), (676, 30427399), (806, 25519754), (884, 23268011), (1054, 19515106), (1612, 12759877), (2108, 9757553), (2873, 7159388), (5239, 3926116), (5746, 3579694), (6851, 3002324), (10478, 1963058), (11492, 1789847), (13702, 1501162), (20956, 981529), (27404, 750581), (57737, 356252), (89063, 230948), (115474, 178126)]