20213116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 47738880

約数和(自身を除く): 27525764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 31, 44, 58, 62, 73, 77, 116, 124, 146, 154, 203, 217, 292, 308, 319, 341, 406, 434, 511, 638, 682, 803, 812, 868, 899, 1022, 1276, 1364, 1606, 1798, 2044, 2117, 2233, 2263, 2387, 3212, 3596, 4234, 4466, 4526, 4774, 5621, 6293, 8468, 8932, 9052, 9548, 9889, 11242, 12586, 14819, 15841, 19778, 22484, 23287, 24893, 25172, 29638, 31682, 39556, 46574, 49786, 59276, 63364, 65627, 69223, 93148, 99572, 131254, 138446, 163009, 174251, 262508, 276892, 326018, 348502, 459389, 652036, 697004, 721897, 918778, 1443794, 1837556, 2887588, 5053279, 10106558, 20213116]

約数ペア:

[(1, 20213116), (2, 10106558), (4, 5053279), (7, 2887588), (11, 1837556), (14, 1443794), (22, 918778), (28, 721897), (29, 697004), (31, 652036), (44, 459389), (58, 348502), (62, 326018), (73, 276892), (77, 262508), (116, 174251), (124, 163009), (146, 138446), (154, 131254), (203, 99572), (217, 93148), (292, 69223), (308, 65627), (319, 63364), (341, 59276), (406, 49786), (434, 46574), (511, 39556), (638, 31682), (682, 29638), (803, 25172), (812, 24893), (868, 23287), (899, 22484), (1022, 19778), (1276, 15841), (1364, 14819), (1606, 12586), (1798, 11242), (2044, 9889), (2117, 9548), (2233, 9052), (2263, 8932), (2387, 8468), (3212, 6293), (3596, 5621), (4234, 4774), (4466, 4526)]