20245736455

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{2689}}^1$

素因数の和:3176

約数の個数: 48

約数和(自身を含む): 28703376000

約数和(自身を除く): 8457639545

約数列:

[1, 5, 7, 35, 49, 79, 245, 389, 395, 553, 1945, 2689, 2723, 2765, 3871, 13445, 13615, 18823, 19061, 19355, 30731, 94115, 95305, 131761, 153655, 212431, 215117, 658805, 1046021, 1062155, 1075585, 1487017, 1505819, 5230105, 7322147, 7435085, 7529095, 10409119, 36610735, 51255029, 52045595, 82635659, 256275145, 413178295, 578449613, 2892248065, 4049147291, 20245736455]

約数ペア:

[(1, 20245736455), (5, 4049147291), (7, 2892248065), (35, 578449613), (49, 413178295), (79, 256275145), (245, 82635659), (389, 52045595), (395, 51255029), (553, 36610735), (1945, 10409119), (2689, 7529095), (2723, 7435085), (2765, 7322147), (3871, 5230105), (13445, 1505819), (13615, 1487017), (18823, 1075585), (19061, 1062155), (19355, 1046021), (30731, 658805), (94115, 215117), (95305, 212431), (131761, 153655)]