20434860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1061}}^1$

素因数の和:1183

約数の個数: 72

約数和(自身を含む): 62624016

約数和(自身を除く): 42189156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1061, 1070, 1284, 1605, 1926, 2122, 2140, 3183, 3210, 3852, 4244, 4815, 5305, 6366, 6420, 9549, 9630, 10610, 12732, 15915, 19098, 19260, 21220, 31830, 38196, 47745, 63660, 95490, 113527, 190980, 227054, 340581, 454108, 567635, 681162, 1021743, 1135270, 1362324, 1702905, 2043486, 2270540, 3405810, 4086972, 5108715, 6811620, 10217430, 20434860]

約数ペア:

[(1, 20434860), (2, 10217430), (3, 6811620), (4, 5108715), (5, 4086972), (6, 3405810), (9, 2270540), (10, 2043486), (12, 1702905), (15, 1362324), (18, 1135270), (20, 1021743), (30, 681162), (36, 567635), (45, 454108), (60, 340581), (90, 227054), (107, 190980), (180, 113527), (214, 95490), (321, 63660), (428, 47745), (535, 38196), (642, 31830), (963, 21220), (1061, 19260), (1070, 19098), (1284, 15915), (1605, 12732), (1926, 10610), (2122, 9630), (2140, 9549), (3183, 6420), (3210, 6366), (3852, 5305), (4244, 4815)]