20448036

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1601

約数の個数: 72

約数和(自身を含む): 60225984

約数和(自身を除く): 39777948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1531, 1908, 2226, 3062, 3339, 4452, 4593, 6124, 6678, 9186, 10717, 13356, 13779, 18372, 21434, 27558, 32151, 42868, 55116, 64302, 81143, 96453, 128604, 162286, 192906, 243429, 324572, 385812, 486858, 568001, 730287, 973716, 1136002, 1460574, 1704003, 2272004, 2921148, 3408006, 5112009, 6816012, 10224018, 20448036]

約数ペア:

[(1, 20448036), (2, 10224018), (3, 6816012), (4, 5112009), (6, 3408006), (7, 2921148), (9, 2272004), (12, 1704003), (14, 1460574), (18, 1136002), (21, 973716), (28, 730287), (36, 568001), (42, 486858), (53, 385812), (63, 324572), (84, 243429), (106, 192906), (126, 162286), (159, 128604), (212, 96453), (252, 81143), (318, 64302), (371, 55116), (477, 42868), (636, 32151), (742, 27558), (954, 21434), (1113, 18372), (1484, 13779), (1531, 13356), (1908, 10717), (2226, 9186), (3062, 6678), (3339, 6124), (4452, 4593)]