20469708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2801}}^1$

素因数の和:2847

約数の個数: 72

約数和(自身を含む): 61195680

約数和(自身を除く): 40725972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2801, 3654, 5602, 7308, 8403, 11204, 16806, 19607, 25209, 33612, 39214, 50418, 58821, 78428, 81229, 100836, 117642, 162458, 176463, 235284, 243687, 324916, 352926, 487374, 568603, 705852, 731061, 974748, 1137206, 1462122, 1705809, 2274412, 2924244, 3411618, 5117427, 6823236, 10234854, 20469708]

約数ペア:

[(1, 20469708), (2, 10234854), (3, 6823236), (4, 5117427), (6, 3411618), (7, 2924244), (9, 2274412), (12, 1705809), (14, 1462122), (18, 1137206), (21, 974748), (28, 731061), (29, 705852), (36, 568603), (42, 487374), (58, 352926), (63, 324916), (84, 243687), (87, 235284), (116, 176463), (126, 162458), (174, 117642), (203, 100836), (252, 81229), (261, 78428), (348, 58821), (406, 50418), (522, 39214), (609, 33612), (812, 25209), (1044, 19607), (1218, 16806), (1827, 11204), (2436, 8403), (2801, 7308), (3654, 5602)]