20009968972

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{24413}}^1$

素因数の和:24898

約数の個数: 48

約数和(自身を含む): 40670989632

約数和(自身を除く): 20661020660

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 401, 511, 802, 1022, 1604, 2044, 2807, 5614, 11228, 24413, 29273, 48826, 58546, 97652, 117092, 170891, 204911, 341782, 409822, 683564, 819644, 1782149, 3564298, 7128596, 9789613, 12475043, 19579226, 24950086, 39158452, 49900172, 68527291, 137054582, 274109164, 714641749, 1429283498, 2858566996, 5002492243, 10004984486, 20009968972]

約数ペア:

[(1, 20009968972), (2, 10004984486), (4, 5002492243), (7, 2858566996), (14, 1429283498), (28, 714641749), (73, 274109164), (146, 137054582), (292, 68527291), (401, 49900172), (511, 39158452), (802, 24950086), (1022, 19579226), (1604, 12475043), (2044, 9789613), (2807, 7128596), (5614, 3564298), (11228, 1782149), (24413, 819644), (29273, 683564), (48826, 409822), (58546, 341782), (97652, 204911), (117092, 170891)]