20173787788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1\times {\mathrm{2477}}^1$

素因数の和:3383

約数の個数: 96

約数和(自身を含む): 45507022848

約数和(自身を除く): 25333235060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 853, 868, 1364, 1706, 2387, 2477, 3412, 4774, 4954, 5971, 9383, 9548, 9908, 11942, 17339, 18766, 23884, 26443, 27247, 34678, 37532, 52886, 54494, 65681, 69356, 76787, 105772, 108988, 131362, 153574, 185101, 190729, 262724, 290873, 307148, 370202, 381458, 537509, 581746, 740404, 762916, 844657, 1075018, 1163492, 1689314, 2036111, 2112881, 2150036, 3378628, 4072222, 4225762, 5912599, 8144444, 8451524, 11825198, 14790167, 23241691, 23650396, 29580334, 46483382, 59160668, 65499311, 92966764, 130998622, 162691837, 261997244, 325383674, 458495177, 650767348, 720492421, 916990354, 1440984842, 1833980708, 2881969684, 5043446947, 10086893894, 20173787788]

約数ペア:

[(1, 20173787788), (2, 10086893894), (4, 5043446947), (7, 2881969684), (11, 1833980708), (14, 1440984842), (22, 916990354), (28, 720492421), (31, 650767348), (44, 458495177), (62, 325383674), (77, 261997244), (124, 162691837), (154, 130998622), (217, 92966764), (308, 65499311), (341, 59160668), (434, 46483382), (682, 29580334), (853, 23650396), (868, 23241691), (1364, 14790167), (1706, 11825198), (2387, 8451524), (2477, 8144444), (3412, 5912599), (4774, 4225762), (4954, 4072222), (5971, 3378628), (9383, 2150036), (9548, 2112881), (9908, 2036111), (11942, 1689314), (17339, 1163492), (18766, 1075018), (23884, 844657), (26443, 762916), (27247, 740404), (34678, 581746), (37532, 537509), (52886, 381458), (54494, 370202), (65681, 307148), (69356, 290873), (76787, 262724), (105772, 190729), (108988, 185101), (131362, 153574)]