20783450884

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1\times {\mathrm{23021}}^1$

素因数の和:24748

約数の個数: 48

約数和(自身を含む): 43782318720

約数和(自身を除く): 22998867836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1697, 3394, 6788, 11879, 23021, 23758, 32243, 46042, 47516, 64486, 92084, 128972, 161147, 225701, 322294, 437399, 451402, 644588, 874798, 902804, 1749596, 3061793, 6123586, 12247172, 39066637, 78133274, 156266548, 273466459, 546932918, 742266103, 1093865836, 1484532206, 2969064412, 5195862721, 10391725442, 20783450884]

約数ペア:

[(1, 20783450884), (2, 10391725442), (4, 5195862721), (7, 2969064412), (14, 1484532206), (19, 1093865836), (28, 742266103), (38, 546932918), (76, 273466459), (133, 156266548), (266, 78133274), (532, 39066637), (1697, 12247172), (3394, 6123586), (6788, 3061793), (11879, 1749596), (23021, 902804), (23758, 874798), (32243, 644588), (46042, 451402), (47516, 437399), (64486, 322294), (92084, 225701), (128972, 161147)]