20100107781

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{1319}}^1$

素因数の和:1627

約数の個数: 72

約数和(自身を含む): 32332322880

約数和(自身を除く): 12232215099

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 233, 387, 507, 559, 699, 1319, 1521, 1677, 2097, 3029, 3957, 5031, 7267, 9087, 10019, 11871, 17147, 21801, 27261, 30057, 39377, 51441, 56717, 65403, 90171, 118131, 130247, 154323, 170151, 222911, 307327, 354393, 390741, 510453, 668733, 737321, 921981, 1172223, 1693211, 2006199, 2211963, 2765943, 3995251, 5079633, 6635889, 9585173, 11985753, 13215061, 15238899, 28755519, 35957259, 39645183, 51938263, 86266557, 118935549, 155814789, 171795793, 467444367, 515387379, 1546162137, 2233345309, 6700035927, 20100107781]

約数ペア:

[(1, 20100107781), (3, 6700035927), (9, 2233345309), (13, 1546162137), (39, 515387379), (43, 467444367), (117, 171795793), (129, 155814789), (169, 118935549), (233, 86266557), (387, 51938263), (507, 39645183), (559, 35957259), (699, 28755519), (1319, 15238899), (1521, 13215061), (1677, 11985753), (2097, 9585173), (3029, 6635889), (3957, 5079633), (5031, 3995251), (7267, 2765943), (9087, 2211963), (10019, 2006199), (11871, 1693211), (17147, 1172223), (21801, 921981), (27261, 737321), (30057, 668733), (39377, 510453), (51441, 390741), (56717, 354393), (65403, 307327), (90171, 222911), (118131, 170151), (130247, 154323)]